139024896 has 40 divisors (see below), whose sum is σ = 370375104. Its totient is φ = 46341120.

The previous prime is 139024877. The next prime is 139024901. The reversal of 139024896 is 698420931.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43720 + ... + 46791.

Almost surely, 2^139024896 is an apocalyptic number.

139024896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139024896 is an abundant number, since it is smaller than the sum of its proper divisors (231350208).

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

139024896 is an frugal number, since it uses more digits than its factorization.

139024896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90532 (or 90516 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 139024896 is about 11790.8819008588. The cubic root of 139024896 is about 518.0410714640.

The spelling of 139024896 in words is "one hundred thirty-nine million, twenty-four thousand, eight hundred ninety-six".