540156238 has 8 divisors (see below), whose sum is σ = 813315888. Its totient is φ = 269050944.

The previous prime is 540156217. The next prime is 540156257. The reversal of 540156238 is 832651045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×540156238² = 583537522900625288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512931 + ... + 513982.

It is an arithmetic number, because the mean of its divisors is an integer number (101664486).

Almost surely, 2^540156238 is an apocalyptic number.

540156238 is a deficient number, since it is larger than the sum of its proper divisors (273159650).

540156238 is a wasteful number, since it uses less digits than its factorization.

540156238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027178.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 540156238 is about 23241.2615406307. The cubic root of 540156238 is about 814.4038135498.

The spelling of 540156238 in words is "five hundred forty million, one hundred fifty-six thousand, two hundred thirty-eight".