137930268109 has 4 divisors (see below), whose sum is σ = 138439236160. Its totient is φ = 137421300060.

The previous prime is 137930268107. The next prime is 137930268131. The reversal of 137930268109 is 901862039731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137930268109 - 2¹ = 137930268107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137930268107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254483619 + ... + 254484160.

It is an arithmetic number, because the mean of its divisors is an integer number (34609809040).

Almost surely, 2^137930268109 is an apocalyptic number.

It is an amenable number.

137930268109 is a deficient number, since it is larger than the sum of its proper divisors (508968051).

137930268109 is an equidigital number, since it uses as much as digits as its factorization.

137930268109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508968050.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 137930268109 in words is "one hundred thirty-seven billion, nine hundred thirty million, two hundred sixty-eight thousand, one hundred nine".