36138396 has 48 divisors (see below), whose sum is σ = 102041856. Its totient is φ = 9717504.

The previous prime is 36138391. The next prime is 36138397. The reversal of 36138396 is 69383163.

36138396 = 1450² + 1451² + ... + 1466².

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36138391) 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, 11226 + ... + 14081.

It is an arithmetic number, because the mean of its divisors is an integer number (2125872).

Almost surely, 2^36138396 is an apocalyptic number.

It is an amenable number.

36138396 is an abundant number, since it is smaller than the sum of its proper divisors (65903460).

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

36138396 is a wasteful number, since it uses less digits than its factorization.

36138396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25338 (or 25336 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 36138396 is about 6011.5219370805. The cubic root of 36138396 is about 330.6153074680.

The spelling of 36138396 in words is "thirty-six million, one hundred thirty-eight thousand, three hundred ninety-six".