139950492 has 96 divisors (see below), whose sum is σ = 383975424. Its totient is φ = 39230400.

The previous prime is 139950487. The next prime is 139950541. The reversal of 139950492 is 294059931.

It is a super-2 number, since 2×139950492² = 39172280422084128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93373 + ... + 94859.

It is an arithmetic number, because the mean of its divisors is an integer number (3999744).

Almost surely, 2^139950492 is an apocalyptic number.

139950492 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 139950492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191987712).

139950492 is an abundant number, since it is smaller than the sum of its proper divisors (244024932).

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

139950492 is a wasteful number, since it uses less digits than its factorization.

139950492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 139950492 is about 11830.0672863682. The cubic root of 139950492 is about 519.1881958264.

The spelling of 139950492 in words is "one hundred thirty-nine million, nine hundred fifty thousand, four hundred ninety-two".