139935874 has 48 divisors (see below), whose sum is σ = 252895608. Its totient is φ = 57521664.

The previous prime is 139935871. The next prime is 139935881. The reversal of 139935874 is 478539931.

139935874 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 131262849 + 8673025 = 11457^2 + 2945^2 .

It is not an unprimeable number, because it can be changed into a prime (139935871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159124 + ... + 160000.

Almost surely, 2^139935874 is an apocalyptic number.

139935874 is a deficient number, since it is larger than the sum of its proper divisors (112959734).

139935874 is a wasteful number, since it uses less digits than its factorization.

139935874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 928 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 139935874 is about 11829.4494377380. The cubic root of 139935874 is about 519.1701185831.

It can be divided in two parts, 1399 and 35874, that added together give a palindrome (37273).

The spelling of 139935874 in words is "one hundred thirty-nine million, nine hundred thirty-five thousand, eight hundred seventy-four".