137791929 has 8 divisors (see below), whose sum is σ = 200424672. Its totient is φ = 83510240.

The previous prime is 137791903. The next prime is 137791937. The reversal of 137791929 is 929197731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137791929 - 2⁹ = 137791417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137791949) 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 7 ways as a sum of consecutive naturals, for example, 2087724 + ... + 2087789.

It is an arithmetic number, because the mean of its divisors is an integer number (25053084).

Almost surely, 2^137791929 is an apocalyptic number.

It is an amenable number.

137791929 is a deficient number, since it is larger than the sum of its proper divisors (62632743).

137791929 is a wasteful number, since it uses less digits than its factorization.

137791929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175527.

The product of its digits is 214326, while the sum is 48.

The square root of 137791929 is about 11738.4806938547. The cubic root of 137791929 is about 516.5050752844.

The spelling of 137791929 in words is "one hundred thirty-seven million, seven hundred ninety-one thousand, nine hundred twenty-nine".