139585074 has 32 divisors (see below), whose sum is σ = 286747776. Its totient is φ = 45271680.

The previous prime is 139585067. The next prime is 139585081. The reversal of 139585074 is 470585931.

It is an interprime number because it is at equal distance from previous prime (139585067) and next prime (139585081).

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, 158724 + ... + 159600.

It is an arithmetic number, because the mean of its divisors is an integer number (8960868).

Almost surely, 2^139585074 is an apocalyptic number.

139585074 is an abundant number, since it is smaller than the sum of its proper divisors (147162702).

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

139585074 is a wasteful number, since it uses less digits than its factorization.

139585074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 139585074 is about 11814.6127316980. The cubic root of 139585074 is about 518.7359261871.

The spelling of 139585074 in words is "one hundred thirty-nine million, five hundred eighty-five thousand, seventy-four".