40136337 has 16 divisors (see below), whose sum is σ = 62959680. Its totient is φ = 25183296.

The previous prime is 40136333. The next prime is 40136339. The reversal of 40136337 is 73363104.

It is a happy number.

It is not a de Polignac number, because 40136337 - 2² = 40136333 is a prime.

It is a super-2 number, since 2×40136337² = 3221851095555138, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 40136337.

It is not an unprimeable number, because it can be changed into a prime (40136333) 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, 43263 + ... + 44180.

It is an arithmetic number, because the mean of its divisors is an integer number (3934980).

Almost surely, 2^40136337 is an apocalyptic number.

It is an amenable number.

40136337 is a deficient number, since it is larger than the sum of its proper divisors (22823343).

40136337 is a wasteful number, since it uses less digits than its factorization.

40136337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87469 (or 87463 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 40136337 is about 6335.3245378591. The cubic root of 40136337 is about 342.3833037003.

The spelling of 40136337 in words is "forty million, one hundred thirty-six thousand, three hundred thirty-seven".