139850496 has 72 divisors (see below), whose sum is σ = 413582960. Its totient is φ = 46614528.

The previous prime is 139850489. The next prime is 139850509. The reversal of 139850496 is 694058931.

It is a happy number.

139850496 is a `hidden beast` number, since 139 + 8 + 504 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×139850496² = 39116322462892032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3205 + ... + 17028.

Almost surely, 2^139850496 is an apocalyptic number.

139850496 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 139850496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206791480).

139850496 is an abundant number, since it is smaller than the sum of its proper divisors (273732464).

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

139850496 is an equidigital number, since it uses as much as digits as its factorization.

139850496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20258 (or 20238 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 139850496 is about 11825.8401815685. The cubic root of 139850496 is about 519.0645113434.

The spelling of 139850496 in words is "one hundred thirty-nine million, eight hundred fifty thousand, four hundred ninety-six".