32128139034861 has 8 divisors (see below), whose sum is σ = 43440864047424. Its totient is φ = 21117086689440.

The previous prime is 32128139034811. The next prime is 32128139034877. The reversal of 32128139034861 is 16843093182123.

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

It is not a de Polignac number, because 32128139034861 - 2⁹ = 32128139034349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32128139034811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75418166536 + ... + 75418166961.

It is an arithmetic number, because the mean of its divisors is an integer number (5430108005928).

Almost surely, 2^{32128139034861} is an apocalyptic number.

It is an amenable number.

32128139034861 is a deficient number, since it is larger than the sum of its proper divisors (11312725012563).

32128139034861 is a wasteful number, since it uses less digits than its factorization.

32128139034861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150836333571.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 32128139034861 in words is "thirty-two trillion, one hundred twenty-eight billion, one hundred thirty-nine million, thirty-four thousand, eight hundred sixty-one".