137327640 has 64 divisors (see below), whose sum is σ = 415272960. Its totient is φ = 36328320.

The previous prime is 137327621. The next prime is 137327647. The reversal of 137327640 is 46723731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137327647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10735 + ... + 19745.

It is an arithmetic number, because the mean of its divisors is an integer number (6488640).

Almost surely, 2^137327640 is an apocalyptic number.

137327640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137327640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207636480).

137327640 is an abundant number, since it is smaller than the sum of its proper divisors (277945320).

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

137327640 is a wasteful number, since it uses less digits than its factorization.

137327640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9152 (or 9148 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 137327640 is about 11718.6876398341. The cubic root of 137327640 is about 515.9243023383.

The spelling of 137327640 in words is "one hundred thirty-seven million, three hundred twenty-seven thousand, six hundred forty".