542135402 has 16 divisors (see below), whose sum is σ = 824154912. Its totient is φ = 267438000.

The previous prime is 542135387. The next prime is 542135413. The reversal of 542135402 is 204531245.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48668 + ... + 58760.

It is an arithmetic number, because the mean of its divisors is an integer number (51509682).

Almost surely, 2^542135402 is an apocalyptic number.

542135402 is a deficient number, since it is larger than the sum of its proper divisors (282019510).

542135402 is a wasteful number, since it uses less digits than its factorization.

542135402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10453.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 542135402 is about 23283.8012790008. The cubic root of 542135402 is about 815.3972755458.

Adding to 542135402 its reverse (204531245), we get a palindrome (746666647).

The spelling of 542135402 in words is "five hundred forty-two million, one hundred thirty-five thousand, four hundred two".