542135138094 has 96 divisors (see below), whose sum is σ = 1296654933600. Its totient is φ = 162331361280.

The previous prime is 542135138089. The next prime is 542135138101. The reversal of 542135138094 is 490831531245.

542135138094 is a `hidden beast` number, since 5 + 4 + 213 + 51 + 380 + 9 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29401902 + ... + 29420334.

It is an arithmetic number, because the mean of its divisors is an integer number (13506822225).

Almost surely, 2^542135138094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542135138094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648327466800).

542135138094 is an abundant number, since it is smaller than the sum of its proper divisors (754519795506).

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

542135138094 is a wasteful number, since it uses less digits than its factorization.

542135138094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20210 (or 20207 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 542135138094 in words is "five hundred forty-two billion, one hundred thirty-five million, one hundred thirty-eight thousand, ninety-four".