139042707 has 16 divisors (see below), whose sum is σ = 190887072. Its totient is φ = 89959680.

The previous prime is 139042669. The next prime is 139042723. The reversal of 139042707 is 707240931.

139042707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139042707 - 2⁸ = 139042451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139042307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49357 + ... + 52097.

It is an arithmetic number, because the mean of its divisors is an integer number (11930442).

Almost surely, 2^139042707 is an apocalyptic number.

139042707 is a deficient number, since it is larger than the sum of its proper divisors (51844365).

139042707 is a wasteful number, since it uses less digits than its factorization.

139042707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 139042707 is about 11791.6371636851. The cubic root of 139042707 is about 518.0631932465.

The spelling of 139042707 in words is "one hundred thirty-nine million, forty-two thousand, seven hundred seven".