60993139 has 4 divisors (see below), whose sum is σ = 61011720. Its totient is φ = 60974560.

The previous prime is 60993113. The next prime is 60993167. The reversal of 60993139 is 93139906.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 60993139 - 2⁹ = 60992627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60994139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2902 + ... + 11419.

It is an arithmetic number, because the mean of its divisors is an integer number (15252930).

Almost surely, 2^60993139 is an apocalyptic number.

60993139 is a deficient number, since it is larger than the sum of its proper divisors (18581).

60993139 is a wasteful number, since it uses less digits than its factorization.

60993139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18580.

The product of its (nonzero) digits is 39366, while the sum is 40.

The square root of 60993139 is about 7809.8104330387. The cubic root of 60993139 is about 393.6349591191.

The spelling of 60993139 in words is "sixty million, nine hundred ninety-three thousand, one hundred thirty-nine".