139412079 has 6 divisors (see below), whose sum is σ = 201373016. Its totient is φ = 92941380.

The previous prime is 139412069. The next prime is 139412089. The reversal of 139412079 is 970214931.

139412079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (139412069) and next prime (139412089).

It is not a de Polignac number, because 139412079 - 2⁵ = 139412047 is a prime.

It is a super-2 number, since 2×139412079² = 38871455542204482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139412069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7745107 + ... + 7745124.

Almost surely, 2^139412079 is an apocalyptic number.

139412079 is a deficient number, since it is larger than the sum of its proper divisors (61960937).

139412079 is a wasteful number, since it uses less digits than its factorization.

139412079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15490237 (or 15490234 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 139412079 is about 11807.2892316569. The cubic root of 139412079 is about 518.5215388434.

The spelling of 139412079 in words is "one hundred thirty-nine million, four hundred twelve thousand, seventy-nine".