16137929 has 4 divisors (see below), whose sum is σ = 16184784. Its totient is φ = 16091076.

The previous prime is 16137923. The next prime is 16137931. The reversal of 16137929 is 92973161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92973161 = 251 ⋅370411.

It is a cyclic number.

It is not a de Polignac number, because 16137929 - 2⁸ = 16137673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16137892 and 16137901.

It is not an unprimeable number, because it can be changed into a prime (16137923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22907 + ... + 23600.

It is an arithmetic number, because the mean of its divisors is an integer number (4046196).

Almost surely, 2^16137929 is an apocalyptic number.

It is an amenable number.

16137929 is a deficient number, since it is larger than the sum of its proper divisors (46855).

16137929 is an equidigital number, since it uses as much as digits as its factorization.

16137929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46854.

The product of its digits is 20412, while the sum is 38.

The square root of 16137929 is about 4017.2041272507. The cubic root of 16137929 is about 252.7062210995.

The spelling of 16137929 in words is "sixteen million, one hundred thirty-seven thousand, nine hundred twenty-nine".