137929911 has 16 divisors (see below), whose sum is σ = 221241600. Its totient is φ = 74668608.

The previous prime is 137929907. The next prime is 137929921. The reversal of 137929911 is 119929731.

It is not a de Polignac number, because 137929911 - 2² = 137929907 is a prime.

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172446 + ... + 173243.

It is an arithmetic number, because the mean of its divisors is an integer number (13827600).

Almost surely, 2^137929911 is an apocalyptic number.

137929911 is a deficient number, since it is larger than the sum of its proper divisors (83311689).

137929911 is a wasteful number, since it uses less digits than its factorization.

137929911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345718.

The product of its digits is 30618, while the sum is 42.

The square root of 137929911 is about 11744.3565596417. The cubic root of 137929911 is about 516.6774236169.

The spelling of 137929911 in words is "one hundred thirty-seven million, nine hundred twenty-nine thousand, nine hundred eleven".