139234570 has 8 divisors (see below), whose sum is σ = 250622244. Its totient is φ = 55693824.

The previous prime is 139234561. The next prime is 139234591. The reversal of 139234570 is 75432931.

It can be written as a sum of positive squares in 2 ways, for example, as 117917881 + 21316689 = 10859^2 + 4617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 6961719 + ... + 6961738.

Almost surely, 2^139234570 is an apocalyptic number.

139234570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139234570 is a deficient number, since it is larger than the sum of its proper divisors (111387674).

139234570 is a wasteful number, since it uses less digits than its factorization.

139234570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13923464.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 139234570 is about 11799.7699130110. The cubic root of 139234570 is about 518.3013730037.

The spelling of 139234570 in words is "one hundred thirty-nine million, two hundred thirty-four thousand, five hundred seventy".