1372927139 has 2 divisors, whose sum is σ = 1372927140. Its totient is φ = 1372927138.

The previous prime is 1372927097. The next prime is 1372927147. The reversal of 1372927139 is 9317292731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1372927139 - 2¹⁶ = 1372861603 is a prime.

It is a super-4 number, since 4×1372927139⁴ (a number of 38 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1372927139.

It is not a weakly prime, because it can be changed into another prime (1372927159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686463569 + 686463570.

It is an arithmetic number, because the mean of its divisors is an integer number (686463570).

Almost surely, 2^1372927139 is an apocalyptic number.

1372927139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372927139 is an equidigital number, since it uses as much as digits as its factorization.

1372927139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 44.

The square root of 1372927139 is about 37053.0314414354. The cubic root of 1372927139 is about 1111.4309761796.

The spelling of 1372927139 in words is "one billion, three hundred seventy-two million, nine hundred twenty-seven thousand, one hundred thirty-nine".