139154496 has 112 divisors (see below), whose sum is σ = 399921984. Its totient is φ = 42448896.

The previous prime is 139154489. The next prime is 139154539. The reversal of 139154496 is 694451931.

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, 491571 + ... + 491853.

It is an arithmetic number, because the mean of its divisors is an integer number (3570732).

Almost surely, 2^139154496 is an apocalyptic number.

139154496 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 139154496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199960992).

139154496 is an abundant number, since it is smaller than the sum of its proper divisors (260767488).

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

139154496 is a wasteful number, since it uses less digits than its factorization.

139154496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 498 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 139154496 is about 11796.3763927742. The cubic root of 139154496 is about 518.2019953306.

The spelling of 139154496 in words is "one hundred thirty-nine million, one hundred fifty-four thousand, four hundred ninety-six".