542501135334131 has 4 divisors (see below), whose sum is σ = 574412966824392. Its totient is φ = 510589303843872.

The previous prime is 542501135334121. The next prime is 542501135334181. The reversal of 542501135334131 is 131433531105245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 542501135334131 - 2³⁴ = 542483955464947 is a prime.

It is a super-2 number, since 2×542501135334131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542501135334121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15955915745105 + ... + 15955915745138.

It is an arithmetic number, because the mean of its divisors is an integer number (143603241706098).

Almost surely, 2^{542501135334131} is an apocalyptic number.

542501135334131 is a deficient number, since it is larger than the sum of its proper divisors (31911831490261).

542501135334131 is a wasteful number, since it uses less digits than its factorization.

542501135334131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31911831490260.

The product of its (nonzero) digits is 324000, while the sum is 41.

Adding to 542501135334131 its reverse (131433531105245), we get a palindrome (673934666439376).

The spelling of 542501135334131 in words is "five hundred forty-two trillion, five hundred one billion, one hundred thirty-five million, three hundred thirty-four thousand, one hundred thirty-one".