15142131 has 12 divisors (see below), whose sum is σ = 22337952. Its totient is φ = 9879696.

The previous prime is 15142123. The next prime is 15142151. The reversal of 15142131 is 13124151.

It is not a de Polignac number, because 15142131 - 2³ = 15142123 is a prime.

It is a super-2 number, since 2×15142131² = 458568262442322, which contains 22 as substring.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (15142151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17476 + ... + 18321.

It is an arithmetic number, because the mean of its divisors is an integer number (1861496).

Almost surely, 2^15142131 is an apocalyptic number.

15142131 is a deficient number, since it is larger than the sum of its proper divisors (7195821).

15142131 is a wasteful number, since it uses less digits than its factorization.

15142131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35850 (or 35847 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 15142131 is about 3891.2891180173. The cubic root of 15142131 is about 247.3977048945.

Adding to 15142131 its reverse (13124151), we get a palindrome (28266282).

The spelling of 15142131 in words is "fifteen million, one hundred forty-two thousand, one hundred thirty-one".