542131380 has 120 divisors (see below), whose sum is σ = 1943682048. Its totient is φ = 123913152.

The previous prime is 542131327. The next prime is 542131409. The reversal of 542131380 is 83131245.

It is a happy number.

It is a super-3 number, since 3×542131380³ (a number of 27 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12564 + ... + 35243.

Almost surely, 2^542131380 is an apocalyptic number.

It is an amenable number.

542131380 is an abundant number, since it is smaller than the sum of its proper divisors (1401550668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542131380 is a wasteful number, since it uses less digits than its factorization.

542131380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47835 (or 47824 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 542131380 is about 23283.7149097819. The cubic root of 542131380 is about 815.3952591147.

The spelling of 542131380 in words is "five hundred forty-two million, one hundred thirty-one thousand, three hundred eighty".