137725340 has 24 divisors (see below), whose sum is σ = 289448880. Its totient is φ = 55047168.

The previous prime is 137725339. The next prime is 137725351. The reversal of 137725340 is 43527731.

It is a junction number, because it is equal to n+sod(n) for n = 137725297 and 137725306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40631 + ... + 43889.

It is an arithmetic number, because the mean of its divisors is an integer number (12060370).

Almost surely, 2^137725340 is an apocalyptic number.

137725340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137725340 is an abundant number, since it is smaller than the sum of its proper divisors (151723540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137725340 is a wasteful number, since it uses less digits than its factorization.

137725340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381 (or 5379 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 137725340 is about 11735.6439959637. The cubic root of 137725340 is about 516.4218602066.

The spelling of 137725340 in words is "one hundred thirty-seven million, seven hundred twenty-five thousand, three hundred forty".