133542824639 has 16 divisors (see below), whose sum is σ = 153303889920. Its totient is φ = 113953785120.

The previous prime is 133542824627. The next prime is 133542824659. The reversal of 133542824639 is 936428245331.

It is a de Polignac number, because none of the positive numbers 2^k-133542824639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133542824659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1364312 + ... + 1458914.

It is an arithmetic number, because the mean of its divisors is an integer number (9581493120).

Almost surely, 2^133542824639 is an apocalyptic number.

133542824639 is a deficient number, since it is larger than the sum of its proper divisors (19761065281).

133542824639 is an equidigital number, since it uses as much as digits as its factorization.

133542824639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95510.

The product of its digits is 3732480, while the sum is 50.

The spelling of 133542824639 in words is "one hundred thirty-three billion, five hundred forty-two million, eight hundred twenty-four thousand, six hundred thirty-nine".