36142990 has 32 divisors (see below), whose sum is σ = 72485280. Its totient is φ = 12883584.

The previous prime is 36142933. The next prime is 36142991. The reversal of 36142990 is 9924163.

It is a super-2 number, since 2×36142990² = 2612631452280200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36142991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1024 + ... + 8563.

It is an arithmetic number, because the mean of its divisors is an integer number (2265165).

Almost surely, 2^36142990 is an apocalyptic number.

36142990 is an abundant number, since it is smaller than the sum of its proper divisors (36342290).

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

36142990 is a wasteful number, since it uses less digits than its factorization.

36142990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9636.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 36142990 is about 6011.9040245167. The cubic root of 36142990 is about 330.6293164126.

The spelling of 36142990 in words is "thirty-six million, one hundred forty-two thousand, nine hundred ninety".