36131990 has 8 divisors (see below), whose sum is σ = 65037600. Its totient is φ = 14452792.

The previous prime is 36131989. The next prime is 36132037. The reversal of 36131990 is 9913163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1806590 + ... + 1806609.

It is an arithmetic number, because the mean of its divisors is an integer number (8129700).

Almost surely, 2^36131990 is an apocalyptic number.

36131990 is a deficient number, since it is larger than the sum of its proper divisors (28905610).

36131990 is a wasteful number, since it uses less digits than its factorization.

36131990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613206.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 36131990 is about 6010.9891033007. The cubic root of 36131990 is about 330.5957710280.

The spelling of 36131990 in words is "thirty-six million, one hundred thirty-one thousand, nine hundred ninety".