139271616 has 224 divisors, whose sum is σ = 474024960. Its totient is φ = 39628800.

The previous prime is 139271611. The next prime is 139271677. The reversal of 139271616 is 616172931.

139271616 is a `hidden beast` number, since 1 + 39 + 2 + 7 + 1 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139271611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322921 + ... + 323351.

Almost surely, 2^139271616 is an apocalyptic number.

139271616 is a gapful number since it is divisible by the number (16) 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 139271616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237012480).

139271616 is an abundant number, since it is smaller than the sum of its proper divisors (334753344).

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

139271616 is a wasteful number, since it uses less digits than its factorization.

139271616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 464 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 139271616 is about 11801.3395849793. The cubic root of 139271616 is about 518.3473368999.

The spelling of 139271616 in words is "one hundred thirty-nine million, two hundred seventy-one thousand, six hundred sixteen".