137890850 has 12 divisors (see below), whose sum is σ = 256477074. Its totient is φ = 55156320.

The previous prime is 137890843. The next prime is 137890867. The reversal of 137890850 is 58098731.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 54479161 + 83411689 = 7381^2 + 9133^2 .

It is a junction number, because it is equal to n+sod(n) for n = 137890798 and 137890807.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1378859 + ... + 1378958.

Almost surely, 2^137890850 is an apocalyptic number.

137890850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137890850 is a deficient number, since it is larger than the sum of its proper divisors (118586224).

137890850 is a wasteful number, since it uses less digits than its factorization.

137890850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757829 (or 2757824 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 137890850 is about 11742.6934729644. The cubic root of 137890850 is about 516.6286456008.

The spelling of 137890850 in words is "one hundred thirty-seven million, eight hundred ninety thousand, eight hundred fifty".