139072772427 has 8 divisors (see below), whose sum is σ = 186845862720. Its totient is φ = 92007431880.

The previous prime is 139072772411. The next prime is 139072772429. The reversal of 139072772427 is 724277270931.

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

It is not a de Polignac number, because 139072772427 - 2⁴ = 139072772411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139072772427.

It is not an unprimeable number, because it can be changed into a prime (139072772429) 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, 176936977 + ... + 176937762.

It is an arithmetic number, because the mean of its divisors is an integer number (23355732840).

Almost surely, 2^139072772427 is an apocalyptic number.

139072772427 is a deficient number, since it is larger than the sum of its proper divisors (47773090293).

139072772427 is a wasteful number, since it uses less digits than its factorization.

139072772427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353874873.

The product of its (nonzero) digits is 2074464, while the sum is 51.

The spelling of 139072772427 in words is "one hundred thirty-nine billion, seventy-two million, seven hundred seventy-two thousand, four hundred twenty-seven".