540140535 has 32 divisors (see below), whose sum is σ = 1047548160. Its totient is φ = 261885600.

The previous prime is 540140509. The next prime is 540140539. The reversal of 540140535 is 535041045.

It is not a de Polignac number, because 540140535 - 2¹⁶ = 540074999 is a prime.

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 = 540140499 and 540140508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540140539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180381 + ... + 183350.

It is an arithmetic number, because the mean of its divisors is an integer number (32735880).

Almost surely, 2^540140535 is an apocalyptic number.

540140535 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

540140535 is a deficient number, since it is larger than the sum of its proper divisors (507407625).

540140535 is a wasteful number, since it uses less digits than its factorization.

540140535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363756 (or 363750 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 540140535 is about 23240.9237122796. The cubic root of 540140535 is about 814.3959215696.

The spelling of 540140535 in words is "five hundred forty million, one hundred forty thousand, five hundred thirty-five".