139434562 has 4 divisors (see below), whose sum is σ = 209151846. Its totient is φ = 69717280.

The previous prime is 139434553. The next prime is 139434583. The reversal of 139434562 is 265434931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 137334961 + 2099601 = 11719^2 + 1449^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34858639 + ... + 34858642.

Almost surely, 2^139434562 is an apocalyptic number.

139434562 is a deficient number, since it is larger than the sum of its proper divisors (69717284).

139434562 is an equidigital number, since it uses as much as digits as its factorization.

139434562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69717283.

The product of its digits is 77760, while the sum is 37.

The square root of 139434562 is about 11808.2412746353. The cubic root of 139434562 is about 518.5494113520.

The spelling of 139434562 in words is "one hundred thirty-nine million, four hundred thirty-four thousand, five hundred sixty-two".