93144139 has 16 divisors (see below), whose sum is σ = 108172800. Its totient is φ = 79263360.

The previous prime is 93144127. The next prime is 93144151.

93144139 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (93144127) and next prime (93144151).

It is not a de Polignac number, because 93144139 - 2²⁵ = 59589707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93144109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35962 + ... + 38464.

It is an arithmetic number, because the mean of its divisors is an integer number (6760800).

Almost surely, 2^93144139 is an apocalyptic number.

93144139 is a deficient number, since it is larger than the sum of its proper divisors (15028661).

93144139 is a wasteful number, since it uses less digits than its factorization.

93144139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730.

The product of its digits is 11664, while the sum is 34.

The square root of 93144139 is about 9651.1211265842. The cubic root of 93144139 is about 453.2994347610.

The spelling of 93144139 in words is "ninety-three million, one hundred forty-four thousand, one hundred thirty-nine".