139026265 has 16 divisors (see below), whose sum is σ = 192172032. Its totient is φ = 94578624.

The previous prime is 139026263. The next prime is 139026301. The reversal of 139026265 is 562620931.

139026265 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 139026265 - 2¹ = 139026263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139026265.

It is not an unprimeable number, because it can be changed into a prime (139026263) 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, 11194 + ... + 20083.

It is an arithmetic number, because the mean of its divisors is an integer number (12010752).

Almost surely, 2^139026265 is an apocalyptic number.

It is an amenable number.

139026265 is a deficient number, since it is larger than the sum of its proper divisors (53145767).

139026265 is a wasteful number, since it uses less digits than its factorization.

139026265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31416.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 139026265 is about 11790.9399540495. The cubic root of 139026265 is about 518.0427718691.

The spelling of 139026265 in words is "one hundred thirty-nine million, twenty-six thousand, two hundred sixty-five".