93138955 has 24 divisors (see below), whose sum is σ = 140020272. Its totient is φ = 58951872.

The previous prime is 93138949. The next prime is 93138959. The reversal of 93138955 is 55983139.

It is not a de Polignac number, because 93138955 - 2⁷ = 93138827 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (93138959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11437 + ... + 17806.

It is an arithmetic number, because the mean of its divisors is an integer number (5834178).

Almost surely, 2^93138955 is an apocalyptic number.

93138955 is a deficient number, since it is larger than the sum of its proper divisors (46881317).

93138955 is a wasteful number, since it uses less digits than its factorization.

93138955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29275 (or 29268 counting only the distinct ones).

The product of its digits is 145800, while the sum is 43.

The square root of 93138955 is about 9650.8525530131. The cubic root of 93138955 is about 453.2910250429.

The spelling of 93138955 in words is "ninety-three million, one hundred thirty-eight thousand, nine hundred fifty-five".