60139975 has 24 divisors (see below), whose sum is σ = 85539168. Its totient is φ = 41088000.

The previous prime is 60139973. The next prime is 60139993. The reversal of 60139975 is 57993106.

It is not a de Polignac number, because 60139975 - 2¹ = 60139973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60139973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69747 + ... + 70603.

It is an arithmetic number, because the mean of its divisors is an integer number (3564132).

Almost surely, 2^60139975 is an apocalyptic number.

60139975 is a deficient number, since it is larger than the sum of its proper divisors (25399193).

60139975 is a wasteful number, since it uses less digits than its factorization.

60139975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275 (or 1270 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 60139975 is about 7754.9967762727. The cubic root of 60139975 is about 391.7909630148.

The spelling of 60139975 in words is "sixty million, one hundred thirty-nine thousand, nine hundred seventy-five".