137948544715 has 4 divisors (see below), whose sum is σ = 165538253664. Its totient is φ = 110358835768.

The previous prime is 137948544689. The next prime is 137948544757. The reversal of 137948544715 is 517445849731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137948544715 - 2⁵ = 137948544683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137948544715.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13794854467 + ... + 13794854476.

It is an arithmetic number, because the mean of its divisors is an integer number (41384563416).

Almost surely, 2^137948544715 is an apocalyptic number.

137948544715 is a deficient number, since it is larger than the sum of its proper divisors (27589708949).

137948544715 is an equidigital number, since it uses as much as digits as its factorization.

137948544715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27589708948.

The product of its digits is 16934400, while the sum is 58.

The spelling of 137948544715 in words is "one hundred thirty-seven billion, nine hundred forty-eight million, five hundred forty-four thousand, seven hundred fifteen".