40136015 has 8 divisors (see below), whose sum is σ = 48882480. Its totient is φ = 31629312.

The previous prime is 40135973. The next prime is 40136023. The reversal of 40136015 is 51063104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40136015 - 2¹² = 40131919 is a prime.

It is a super-2 number, since 2×40136015² = 3221799400160450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59570 + ... + 60239.

It is an arithmetic number, because the mean of its divisors is an integer number (6110310).

Almost surely, 2^40136015 is an apocalyptic number.

40136015 is a deficient number, since it is larger than the sum of its proper divisors (8746465).

40136015 is a wasteful number, since it uses less digits than its factorization.

40136015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119881.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 40136015 is about 6335.2991247454. The cubic root of 40136015 is about 342.3823880901.

Adding to 40136015 its reverse (51063104), we get a palindrome (91199119).

The spelling of 40136015 in words is "forty million, one hundred thirty-six thousand, fifteen".