9138151 has 4 divisors (see below), whose sum is σ = 9968904. Its totient is φ = 8307400.

The previous prime is 9138139. The next prime is 9138169. The reversal of 9138151 is 1518319.

9138151 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 9138151 - 2⁵ = 9138119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9138131) 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, 415360 + ... + 415381.

It is an arithmetic number, because the mean of its divisors is an integer number (2492226).

Almost surely, 2^9138151 is an apocalyptic number.

9138151 is a deficient number, since it is larger than the sum of its proper divisors (830753).

9138151 is a wasteful number, since it uses less digits than its factorization.

9138151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830752.

The product of its digits is 1080, while the sum is 28.

The square root of 9138151 is about 3022.9374786786. The cubic root of 9138151 is about 209.0672997402.

The spelling of 9138151 in words is "nine million, one hundred thirty-eight thousand, one hundred fifty-one".