139849632 has 96 divisors (see below), whose sum is σ = 439306560. Its totient is φ = 43027200.

The previous prime is 139849621. The next prime is 139849643. The reversal of 139849632 is 236948931.

It is a happy number.

139849632 is a `hidden beast` number, since 1 + 3 + 9 + 8 + 4 + 9 + 632 = 666.

139849632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (139849621) and next prime (139849643).

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5007 + ... + 17457.

It is an arithmetic number, because the mean of its divisors is an integer number (4576110).

Almost surely, 2^139849632 is an apocalyptic number.

139849632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139849632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219653280).

139849632 is an abundant number, since it is smaller than the sum of its proper divisors (299456928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139849632 is a wasteful number, since it uses less digits than its factorization.

139849632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12483 (or 12469 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 139849632 is about 11825.8036513380. The cubic root of 139849632 is about 519.0634424099.

The spelling of 139849632 in words is "one hundred thirty-nine million, eight hundred forty-nine thousand, six hundred thirty-two".