139107073 has 16 divisors (see below), whose sum is σ = 171192960. Its totient is φ = 110313216.

The previous prime is 139107061. The next prime is 139107079. The reversal of 139107073 is 370701931.

It is a cyclic number.

It is not a de Polignac number, because 139107073 - 2⁵ = 139107041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139107079) 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, 2886 + ... + 16927.

It is an arithmetic number, because the mean of its divisors is an integer number (10699560).

Almost surely, 2^139107073 is an apocalyptic number.

It is an amenable number.

139107073 is a deficient number, since it is larger than the sum of its proper divisors (32085887).

139107073 is a wasteful number, since it uses less digits than its factorization.

139107073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19896.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 139107073 is about 11794.3661550759. The cubic root of 139107073 is about 518.1431219534.

The spelling of 139107073 in words is "one hundred thirty-nine million, one hundred seven thousand, seventy-three".