139354933177 has 2 divisors, whose sum is σ = 139354933178. Its totient is φ = 139354933176.

The previous prime is 139354933111. The next prime is 139354933219. The reversal of 139354933177 is 771339453931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71492599161 + 67862334016 = 267381^2 + 260504^2 .

It is a cyclic number.

It is not a de Polignac number, because 139354933177 - 2⁷ = 139354933049 is a prime.

It is a super-2 number, since 2×139354933177² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (139354937177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69677466588 + 69677466589.

It is an arithmetic number, because the mean of its divisors is an integer number (69677466589).

Almost surely, 2^139354933177 is an apocalyptic number.

It is an amenable number.

139354933177 is a deficient number, since it is larger than the sum of its proper divisors (1).

139354933177 is an equidigital number, since it uses as much as digits as its factorization.

139354933177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6429780, while the sum is 55.

The spelling of 139354933177 in words is "one hundred thirty-nine billion, three hundred fifty-four million, nine hundred thirty-three thousand, one hundred seventy-seven".