139561162 has 8 divisors (see below), whose sum is σ = 225444996. Its totient is φ = 64412832.

The previous prime is 139561159. The next prime is 139561193. The reversal of 139561162 is 261165931.

It can be written as a sum of positive squares in 2 ways, for example, as 122080401 + 17480761 = 11049^2 + 4181^2 .

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, 2683843 + ... + 2683894.

Almost surely, 2^139561162 is an apocalyptic number.

139561162 is a deficient number, since it is larger than the sum of its proper divisors (85883834).

139561162 is a wasteful number, since it uses less digits than its factorization.

139561162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367752.

The product of its digits is 9720, while the sum is 34.

The square root of 139561162 is about 11813.6007212027. The cubic root of 139561162 is about 518.7063033402.

The spelling of 139561162 in words is "one hundred thirty-nine million, five hundred sixty-one thousand, one hundred sixty-two".