137613426645 has 32 divisors (see below), whose sum is σ = 228259759104. Its totient is φ = 70721395200.

The previous prime is 137613426641. The next prime is 137613426659. The reversal of 137613426645 is 546624316731.

It is not a de Polignac number, because 137613426645 - 2² = 137613426641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137613426594 and 137613426603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137613426641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526726 + ... + 743415.

It is an arithmetic number, because the mean of its divisors is an integer number (7133117472).

Almost surely, 2^137613426645 is an apocalyptic number.

137613426645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137613426645 is a deficient number, since it is larger than the sum of its proper divisors (90646332459).

137613426645 is a wasteful number, since it uses less digits than its factorization.

137613426645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270413.

The product of its digits is 2177280, while the sum is 48.

The spelling of 137613426645 in words is "one hundred thirty-seven billion, six hundred thirteen million, four hundred twenty-six thousand, six hundred forty-five".