137608650 has 144 divisors (see below), whose sum is σ = 386493120. Its totient is φ = 35078400.

The previous prime is 137608633. The next prime is 137608663. The reversal of 137608650 is 56806731.

It is a super-2 number, since 2×137608650² = 37872281109645000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1885014 + ... + 1885086.

It is an arithmetic number, because the mean of its divisors is an integer number (2683980).

Almost surely, 2^137608650 is an apocalyptic number.

137608650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 137608650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193246560).

137608650 is an abundant number, since it is smaller than the sum of its proper divisors (248884470).

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

137608650 is a wasteful number, since it uses less digits than its factorization.

137608650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 137608650 is about 11730.6713362876. The cubic root of 137608650 is about 516.2759700991.

The spelling of 137608650 in words is "one hundred thirty-seven million, six hundred eight thousand, six hundred fifty".