40137227 has 4 divisors (see below), whose sum is σ = 43224720. Its totient is φ = 37049736.

The previous prime is 40137203. The next prime is 40137233. The reversal of 40137227 is 72273104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40137227 - 2¹² = 40133131 is a prime.

It is a super-2 number, since 2×40137227² = 3221993982499058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40137196 and 40137205.

It is not an unprimeable number, because it can be changed into a prime (40137257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1543727 + ... + 1543752.

It is an arithmetic number, because the mean of its divisors is an integer number (10806180).

Almost surely, 2^40137227 is an apocalyptic number.

40137227 is a deficient number, since it is larger than the sum of its proper divisors (3087493).

40137227 is a wasteful number, since it uses less digits than its factorization.

40137227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087492.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 40137227 is about 6335.3947785438. The cubic root of 40137227 is about 342.3858343986.

The spelling of 40137227 in words is "forty million, one hundred thirty-seven thousand, two hundred twenty-seven".