137725473764 has 12 divisors (see below), whose sum is σ = 241041182844. Its totient is φ = 68856564384.

The previous prime is 137725473761. The next prime is 137725473887. The reversal of 137725473764 is 467374527731.

It can be written as a sum of positive squares in 2 ways, for example, as 39286411264 + 98439062500 = 198208^2 + 313750^2 .

It is a super-2 number, since 2×137725473764² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137725473761) 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, 1492739 + ... + 1582314.

It is an arithmetic number, because the mean of its divisors is an integer number (20086765237).

Almost surely, 2^137725473764 is an apocalyptic number.

It is an amenable number.

137725473764 is a deficient number, since it is larger than the sum of its proper divisors (103315709080).

137725473764 is a wasteful number, since it uses less digits than its factorization.

137725473764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086254 (or 3086252 counting only the distinct ones).

The product of its digits is 20744640, while the sum is 56.

The spelling of 137725473764 in words is "one hundred thirty-seven billion, seven hundred twenty-five million, four hundred seventy-three thousand, seven hundred sixty-four".