36140540 has 12 divisors (see below), whose sum is σ = 75895176. Its totient is φ = 14456208.

The previous prime is 36140539. The next prime is 36140549. The reversal of 36140540 is 4504163.

It is a happy number.

It is a super-2 number, since 2×36140540² = 2612277262983200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36140549) 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, 903494 + ... + 903533.

It is an arithmetic number, because the mean of its divisors is an integer number (6324598).

Almost surely, 2^36140540 is an apocalyptic number.

It is an amenable number.

36140540 is an abundant number, since it is smaller than the sum of its proper divisors (39754636).

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

36140540 is a wasteful number, since it uses less digits than its factorization.

36140540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807036 (or 1807034 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 36140540 is about 6011.7002586623. The cubic root of 36140540 is about 330.6218455298.

The spelling of 36140540 in words is "thirty-six million, one hundred forty thousand, five hundred forty".