139074874 has 8 divisors (see below), whose sum is σ = 209271348. Its totient is φ = 69317760.

The previous prime is 139074853. The next prime is 139074877. The reversal of 139074874 is 478470931.

It can be written as a sum of positive squares in 2 ways, for example, as 139074849 + 25 = 11793^2 + 5^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 139074874.

It is not an unprimeable number, because it can be changed into a prime (139074877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109047 + ... + 110314.

Almost surely, 2^139074874 is an apocalyptic number.

139074874 is a deficient number, since it is larger than the sum of its proper divisors (70196474).

139074874 is a wasteful number, since it uses less digits than its factorization.

139074874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219680.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 139074874 is about 11793.0010599508. The cubic root of 139074874 is about 518.1031408141.

It can be divided in two parts, 13907 and 4874, that added together give a palindrome (18781).

The spelling of 139074874 in words is "one hundred thirty-nine million, seventy-four thousand, eight hundred seventy-four".