139262271 has 8 divisors (see below), whose sum is σ = 185832240. Its totient is φ = 92766912.

The previous prime is 139262219. The next prime is 139262273. The reversal of 139262271 is 172262931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 139262271 - 2⁷ = 139262143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139262273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14140 + ... + 21873.

It is an arithmetic number, because the mean of its divisors is an integer number (23229030).

Almost surely, 2^139262271 is an apocalyptic number.

139262271 is a deficient number, since it is larger than the sum of its proper divisors (46569969).

139262271 is a wasteful number, since it uses less digits than its factorization.

139262271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37305.

The product of its digits is 9072, while the sum is 33.

The square root of 139262271 is about 11800.9436487088. The cubic root of 139262271 is about 518.3357430941.

The spelling of 139262271 in words is "one hundred thirty-nine million, two hundred sixty-two thousand, two hundred seventy-one".