137518442752 has 36 divisors (see below), whose sum is σ = 274555353520. Its totient is φ = 68745282048.

The previous prime is 137518442723. The next prime is 137518442759. The reversal of 137518442752 is 257244815731.

It is a happy number.

It is a super-2 number, since 2×137518442752² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137518442696 and 137518442705.

It is not an unprimeable number, because it can be changed into a prime (137518442759) 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, 1273963 + ... + 1377685.

Almost surely, 2^137518442752 is an apocalyptic number.

It is an amenable number.

137518442752 is a deficient number, since it is larger than the sum of its proper divisors (137036910768).

137518442752 is an equidigital number, since it uses as much as digits as its factorization.

137518442752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108918 (or 108904 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 49.

The spelling of 137518442752 in words is "one hundred thirty-seven billion, five hundred eighteen million, four hundred forty-two thousand, seven hundred fifty-two".