137929908 has 48 divisors (see below), whose sum is σ = 343949760. Its totient is φ = 42868224.

The previous prime is 137929907. The next prime is 137929921. The reversal of 137929908 is 809929731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137929901) 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 15 ways as a sum of consecutive naturals, for example, 19135 + ... + 25337.

It is an arithmetic number, because the mean of its divisors is an integer number (7165620).

Almost surely, 2^137929908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137929908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171974880).

137929908 is an abundant number, since it is smaller than the sum of its proper divisors (206019852).

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

137929908 is a wasteful number, since it uses less digits than its factorization.

137929908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6336 (or 6334 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 137929908 is about 11744.3564319208. The cubic root of 137929908 is about 516.6774198710.

The spelling of 137929908 in words is "one hundred thirty-seven million, nine hundred twenty-nine thousand, nine hundred eight".