137640138999 has 8 divisors (see below), whose sum is σ = 200203838592. Its totient is φ = 83418266040.

The previous prime is 137640138991. The next prime is 137640139019. The reversal of 137640138999 is 999831046731.

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

It is not a de Polignac number, because 137640138999 - 2³ = 137640138991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137640138991) 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, 2085456619 + ... + 2085456684.

It is an arithmetic number, because the mean of its divisors is an integer number (25025479824).

Almost surely, 2^137640138999 is an apocalyptic number.

137640138999 is a deficient number, since it is larger than the sum of its proper divisors (62563699593).

137640138999 is a wasteful number, since it uses less digits than its factorization.

137640138999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170913317.

The product of its (nonzero) digits is 8817984, while the sum is 60.

The spelling of 137640138999 in words is "one hundred thirty-seven billion, six hundred forty million, one hundred thirty-eight thousand, nine hundred ninety-nine".