755139693 has 32 divisors (see below), whose sum is σ = 1257661440. Its totient is φ = 391541760.

The previous prime is 755139689. The next prime is 755139709. The reversal of 755139693 is 396931557.

It is not a de Polignac number, because 755139693 - 2² = 755139689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755139673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132813 + ... + 138381.

It is an arithmetic number, because the mean of its divisors is an integer number (39301920).

Almost surely, 2^755139693 is an apocalyptic number.

It is an amenable number.

755139693 is a deficient number, since it is larger than the sum of its proper divisors (502521747).

755139693 is a wasteful number, since it uses less digits than its factorization.

755139693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6177.

The product of its digits is 765450, while the sum is 48.

The square root of 755139693 is about 27479.8051848990. The cubic root of 755139693 is about 910.6310050123.

The spelling of 755139693 in words is "seven hundred fifty-five million, one hundred thirty-nine thousand, six hundred ninety-three".