33507542139 has 8 divisors (see below), whose sum is σ = 45884202000. Its totient is φ = 21734621856.

The previous prime is 33507542083. The next prime is 33507542149. The reversal of 33507542139 is 93124570533.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33507542139 - 2⁸ = 33507541883 is a prime.

It is a super-2 number, since 2×33507542139² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33507542139.

It is not an unprimeable number, because it can be changed into a prime (33507542149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150934764 + ... + 150934985.

It is an arithmetic number, because the mean of its divisors is an integer number (5735525250).

Almost surely, 2^33507542139 is an apocalyptic number.

33507542139 is a deficient number, since it is larger than the sum of its proper divisors (12376659861).

33507542139 is a wasteful number, since it uses less digits than its factorization.

33507542139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301869789.

The product of its (nonzero) digits is 340200, while the sum is 42.

The spelling of 33507542139 in words is "thirty-three billion, five hundred seven million, five hundred forty-two thousand, one hundred thirty-nine".