137780108 has 12 divisors (see below), whose sum is σ = 244167840. Its totient is φ = 68017872.

The previous prime is 137780107. The next prime is 137780117. The reversal of 137780108 is 801087731.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (137780107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217691 + ... + 218322.

It is an arithmetic number, because the mean of its divisors is an integer number (20347320).

Almost surely, 2^137780108 is an apocalyptic number.

It is an amenable number.

137780108 is a deficient number, since it is larger than the sum of its proper divisors (106387732).

137780108 is a wasteful number, since it uses less digits than its factorization.

137780108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436096 (or 436094 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 137780108 is about 11737.9771681495. The cubic root of 137780108 is about 516.4903047504.

The spelling of 137780108 in words is "one hundred thirty-seven million, seven hundred eighty thousand, one hundred eight".