137532250 has 16 divisors (see below), whose sum is σ = 257460840. Its totient is φ = 55012800.

The previous prime is 137532233. The next prime is 137532251. The reversal of 137532250 is 52235731.

It can be written as a sum of positive squares in 4 ways, for example, as 28976689 + 108555561 = 5383^2 + 10419^2 .

It is not an unprimeable number, because it can be changed into a prime (137532251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274815 + ... + 275314.

Almost surely, 2^137532250 is an apocalyptic number.

137532250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137532250 is a deficient number, since it is larger than the sum of its proper divisors (119928590).

137532250 is an equidigital number, since it uses as much as digits as its factorization.

137532250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550146 (or 550136 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 137532250 is about 11727.4144635550. The cubic root of 137532250 is about 516.1804073419.

Adding to 137532250 its reverse (52235731), we get a palindrome (189767981).

The spelling of 137532250 in words is "one hundred thirty-seven million, five hundred thirty-two thousand, two hundred fifty".