540152631 has 20 divisors (see below), whose sum is σ = 841979952. Its totient is φ = 344443968.

The previous prime is 540152617. The next prime is 540152681. The reversal of 540152631 is 136251045.

It is not a de Polignac number, because 540152631 - 2⁶ = 540152567 is a prime.

It is a super-2 number, since 2×540152631² = 583529729552444322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 540152595 and 540152604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540152681) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 143106 + ... + 146831.

Almost surely, 2^540152631 is an apocalyptic number.

540152631 is a deficient number, since it is larger than the sum of its proper divisors (301827321).

540152631 is a wasteful number, since it uses less digits than its factorization.

540152631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289972 (or 289963 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 540152631 is about 23241.1839414433. The cubic root of 540152631 is about 814.4020007650.

The spelling of 540152631 in words is "five hundred forty million, one hundred fifty-two thousand, six hundred thirty-one".