139006896 has 40 divisors (see below), whose sum is σ = 410402304. Its totient is φ = 39716160.

The previous prime is 139006877. The next prime is 139006919. The reversal of 139006896 is 698600931.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206520 + ... + 207191.

Almost surely, 2^139006896 is an apocalyptic number.

139006896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139006896 is an abundant number, since it is smaller than the sum of its proper divisors (271395408).

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

139006896 is a wasteful number, since it uses less digits than its factorization.

139006896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413729 (or 413723 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 139006896 is about 11790.1185744673. The cubic root of 139006896 is about 518.0187130184.

The spelling of 139006896 in words is "one hundred thirty-nine million, six thousand, eight hundred ninety-six".