38137147 has 4 divisors (see below), whose sum is σ = 38220336. Its totient is φ = 38053960.

The previous prime is 38137133. The next prime is 38137201. The reversal of 38137147 is 74173183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38137147 - 2⁷ = 38137019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38134147) 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, 40903 + ... + 41824.

It is an arithmetic number, because the mean of its divisors is an integer number (9555084).

Almost surely, 2^38137147 is an apocalyptic number.

38137147 is a deficient number, since it is larger than the sum of its proper divisors (83189).

38137147 is an equidigital number, since it uses as much as digits as its factorization.

38137147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83188.

The product of its digits is 14112, while the sum is 34.

The square root of 38137147 is about 6175.5280745860. The cubic root of 38137147 is about 336.6015154565.

The spelling of 38137147 in words is "thirty-eight million, one hundred thirty-seven thousand, one hundred forty-seven".