137520348 has 24 divisors (see below), whose sum is σ = 366721152. Its totient is φ = 39291504.

The previous prime is 137520337. The next prime is 137520353. The reversal of 137520348 is 843025731.

It is a super-2 number, since 2×137520348² = 37823692228082208, which contains 22 as substring.

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, 818490 + ... + 818657.

It is an arithmetic number, because the mean of its divisors is an integer number (15280048).

Almost surely, 2^137520348 is an apocalyptic number.

It is an amenable number.

137520348 is an abundant number, since it is smaller than the sum of its proper divisors (229200804).

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

137520348 is a wasteful number, since it uses less digits than its factorization.

137520348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637161 (or 1637159 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 137520348 is about 11726.9070090966. The cubic root of 137520348 is about 516.1655168794.

The spelling of 137520348 in words is "one hundred thirty-seven million, five hundred twenty thousand, three hundred forty-eight".