137026818 has 12 divisors (see below), whose sum is σ = 296891478. Its totient is φ = 45675600.

The previous prime is 137026811. The next prime is 137026819. The reversal of 137026818 is 818620731.

It can be written as a sum of positive squares in only one way, i.e., 101062809 + 35964009 = 10053^2 + 5997^2 .

It is not an unprimeable number, because it can be changed into a prime (137026811) 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 5 ways as a sum of consecutive naturals, for example, 3806283 + ... + 3806318.

Almost surely, 2^137026818 is an apocalyptic number.

137026818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

137026818 is an abundant number, since it is smaller than the sum of its proper divisors (159864660).

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

137026818 is a wasteful number, since it uses less digits than its factorization.

137026818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7612609 (or 7612606 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 137026818 is about 11705.8454628446. The cubic root of 137026818 is about 515.5473089337.

The spelling of 137026818 in words is "one hundred thirty-seven million, twenty-six thousand, eight hundred eighteen".