90139234819737 has 8 divisors (see below), whose sum is σ = 121536046948320. Its totient is φ = 59417622952160.

The previous prime is 90139234819717. The next prime is 90139234819759. The reversal of 90139234819737 is 73791843293109.

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

It is a cyclic number.

It is not a de Polignac number, because 90139234819737 - 2⁸ = 90139234819481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90139234819717) 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, 168800064939 + ... + 168800065472.

It is an arithmetic number, because the mean of its divisors is an integer number (15192005868540).

Almost surely, 2^{90139234819737} is an apocalyptic number.

It is an amenable number.

90139234819737 is a deficient number, since it is larger than the sum of its proper divisors (31396812128583).

90139234819737 is a wasteful number, since it uses less digits than its factorization.

90139234819737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337600130503.

The product of its (nonzero) digits is 61725888, while the sum is 66.

The spelling of 90139234819737 in words is "ninety trillion, one hundred thirty-nine billion, two hundred thirty-four million, eight hundred nineteen thousand, seven hundred thirty-seven".