755434139 has 2 divisors, whose sum is σ = 755434140. Its totient is φ = 755434138.

The previous prime is 755434111. The next prime is 755434177. The reversal of 755434139 is 931434557.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 755434139 - 2²⁸ = 486998683 is a prime.

It is a super-3 number, since 3×755434139³ (a number of 28 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 755434096 and 755434105.

It is not a weakly prime, because it can be changed into another prime (755434109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377717069 + 377717070.

It is an arithmetic number, because the mean of its divisors is an integer number (377717070).

Almost surely, 2^755434139 is an apocalyptic number.

755434139 is a deficient number, since it is larger than the sum of its proper divisors (1).

755434139 is an equidigital number, since it uses as much as digits as its factorization.

755434139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The square root of 755434139 is about 27485.1621607005. The cubic root of 755434139 is about 910.7493481554.

The spelling of 755434139 in words is "seven hundred fifty-five million, four hundred thirty-four thousand, one hundred thirty-nine".