36138948 has 24 divisors (see below), whose sum is σ = 84698880. Its totient is φ = 11992800.

The previous prime is 36138941. The next prime is 36138953. The reversal of 36138948 is 84983163.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (36138941) 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, 3828 + ... + 9323.

It is an arithmetic number, because the mean of its divisors is an integer number (3529120).

Almost surely, 2^36138948 is an apocalyptic number.

It is an amenable number.

36138948 is an abundant number, since it is smaller than the sum of its proper divisors (48559932).

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

36138948 is a wasteful number, since it uses less digits than its factorization.

36138948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13387 (or 13385 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 36138948 is about 6011.5678487396. The cubic root of 36138948 is about 330.6169907997.

It can be divided in two parts, 3613 and 8948, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 36138948 in words is "thirty-six million, one hundred thirty-eight thousand, nine hundred forty-eight".