754172138 has 8 divisors (see below), whose sum is σ = 1131563520. Its totient is φ = 376984300.

The previous prime is 754172129. The next prime is 754172171. The reversal of 754172138 is 831271457.

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

It is a super-2 number, since 2×754172138² = 1137551227470982088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41258 + ... + 56661.

It is an arithmetic number, because the mean of its divisors is an integer number (141445440).

Almost surely, 2^754172138 is an apocalyptic number.

754172138 is a deficient number, since it is larger than the sum of its proper divisors (377391382).

754172138 is a wasteful number, since it uses less digits than its factorization.

754172138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101772.

The product of its digits is 47040, while the sum is 38.

The square root of 754172138 is about 27462.1947047209. The cubic root of 754172138 is about 910.2419104876.

The spelling of 754172138 in words is "seven hundred fifty-four million, one hundred seventy-two thousand, one hundred thirty-eight".