40134515 has 8 divisors (see below), whose sum is σ = 49070448. Its totient is φ = 31501600.

The previous prime is 40134511. The next prime is 40134527. The reversal of 40134515 is 51543104.

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

It is not a de Polignac number, because 40134515 - 2² = 40134511 is a prime.

It is a super-2 number, since 2×40134515² = 3221558588570450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40134511) 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, 75461 + ... + 75990.

It is an arithmetic number, because the mean of its divisors is an integer number (6133806).

Almost surely, 2^40134515 is an apocalyptic number.

40134515 is a deficient number, since it is larger than the sum of its proper divisors (8935933).

40134515 is a wasteful number, since it uses less digits than its factorization.

40134515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151509.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 40134515 is about 6335.1807393318. The cubic root of 40134515 is about 342.3781227606.

Adding to 40134515 its reverse (51543104), we get a palindrome (91677619).

The spelling of 40134515 in words is "forty million, one hundred thirty-four thousand, five hundred fifteen".