540400937 has 4 divisors (see below), whose sum is σ = 540520080. Its totient is φ = 540281796.

The previous prime is 540400921. The next prime is 540400979. The reversal of 540400937 is 739004045.

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 540400937 - 2⁴ = 540400921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540400537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52487 + ... + 61932.

It is an arithmetic number, because the mean of its divisors is an integer number (135130020).

Almost surely, 2^540400937 is an apocalyptic number.

It is an amenable number.

540400937 is a deficient number, since it is larger than the sum of its proper divisors (119143).

540400937 is a wasteful number, since it uses less digits than its factorization.

540400937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119142.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 540400937 is about 23246.5252672308. The cubic root of 540400937 is about 814.5267740931.

The spelling of 540400937 in words is "five hundred forty million, four hundred thousand, nine hundred thirty-seven".