40532137 has 4 divisors (see below), whose sum is σ = 41020560. Its totient is φ = 40043716.

The previous prime is 40532117. The next prime is 40532171. The reversal of 40532137 is 73123504.

40532137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40532137 - 2¹¹ = 40530089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40532117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244087 + ... + 244252.

It is an arithmetic number, because the mean of its divisors is an integer number (10255140).

Almost surely, 2^40532137 is an apocalyptic number.

It is an amenable number.

40532137 is a deficient number, since it is larger than the sum of its proper divisors (488423).

40532137 is an equidigital number, since it uses as much as digits as its factorization.

40532137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488422.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 40532137 is about 6366.4854511732. The cubic root of 40532137 is about 343.5050825326.

The spelling of 40532137 in words is "forty million, five hundred thirty-two thousand, one hundred thirty-seven".