36131144 has 32 divisors (see below), whose sum is σ = 77848320. Its totient is φ = 15399936.

The previous prime is 36131113. The next prime is 36131149. The reversal of 36131144 is 44113163.

It is not an unprimeable number, because it can be changed into a prime (36131149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9137 + ... + 12479.

It is an arithmetic number, because the mean of its divisors is an integer number (2432760).

Almost surely, 2^36131144 is an apocalyptic number.

It is an amenable number.

36131144 is an abundant number, since it is smaller than the sum of its proper divisors (41717176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36131144 is a wasteful number, since it uses less digits than its factorization.

36131144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549 (or 3545 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 36131144 is about 6010.9187317747. The cubic root of 36131144 is about 330.5931908010.

The spelling of 36131144 in words is "thirty-six million, one hundred thirty-one thousand, one hundred forty-four".