137215488 has 80 divisors (see below), whose sum is σ = 368525520. Its totient is φ = 45367296.

The previous prime is 137215487. The next prime is 137215489. The reversal of 137215488 is 884512731.

It is an interprime number because it is at equal distance from previous prime (137215487) and next prime (137215489).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137215487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240868 + ... + 241436.

It is an arithmetic number, because the mean of its divisors is an integer number (4606569).

Almost surely, 2^137215488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137215488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184262760).

137215488 is an abundant number, since it is smaller than the sum of its proper divisors (231310032).

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

137215488 is an equidigital number, since it uses as much as digits as its factorization.

137215488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 731 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 137215488 is about 11713.9014849878. The cubic root of 137215488 is about 515.7838166576.

The spelling of 137215488 in words is "one hundred thirty-seven million, two hundred fifteen thousand, four hundred eighty-eight".