38736129 has 4 divisors (see below), whose sum is σ = 51648176. Its totient is φ = 25824084.

The previous prime is 38736127. The next prime is 38736157. The reversal of 38736129 is 92163783.

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.

It is not a de Polignac number, because 38736129 - 2¹ = 38736127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38736121) 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, 6456019 + ... + 6456024.

It is an arithmetic number, because the mean of its divisors is an integer number (12912044).

Almost surely, 2^38736129 is an apocalyptic number.

It is an amenable number.

38736129 is a deficient number, since it is larger than the sum of its proper divisors (12912047).

38736129 is a wasteful number, since it uses less digits than its factorization.

38736129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12912046.

The product of its digits is 54432, while the sum is 39.

The square root of 38736129 is about 6223.8355537402. The cubic root of 38736129 is about 338.3545903529.

The spelling of 38736129 in words is "thirty-eight million, seven hundred thirty-six thousand, one hundred twenty-nine".