137998826910 has 144 divisors (see below), whose sum is σ = 419938820496. Its totient is φ = 31348912896.

The previous prime is 137998826881. The next prime is 137998826923. The reversal of 137998826910 is 19628899731.

It is a super-2 number, since 2×137998826910² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

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, 622842 + ... + 814818.

It is an arithmetic number, because the mean of its divisors is an integer number (2916241809).

Almost surely, 2^137998826910 is an apocalyptic number.

137998826910 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 137998826910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209969410248).

137998826910 is an abundant number, since it is smaller than the sum of its proper divisors (281939993586).

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

137998826910 is a wasteful number, since it uses less digits than its factorization.

137998826910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192167 (or 192157 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The spelling of 137998826910 in words is "one hundred thirty-seven billion, nine hundred ninety-eight million, eight hundred twenty-six thousand, nine hundred ten".