39468129 has 4 divisors (see below), whose sum is σ = 52624176. Its totient is φ = 26312084.

The previous prime is 39468113. The next prime is 39468131. The reversal of 39468129 is 92186493.

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 a cyclic number.

It is not a de Polignac number, because 39468129 - 2⁴ = 39468113 is a prime.

It is a super-3 number, since 3×39468129³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (39468179) 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, 6578019 + ... + 6578024.

It is an arithmetic number, because the mean of its divisors is an integer number (13156044).

Almost surely, 2^39468129 is an apocalyptic number.

It is an amenable number.

39468129 is a deficient number, since it is larger than the sum of its proper divisors (13156047).

39468129 is a wasteful number, since it uses less digits than its factorization.

39468129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13156046.

The product of its digits is 93312, while the sum is 42.

The square root of 39468129 is about 6282.3665127084. The cubic root of 39468129 is about 340.4726097671.

The spelling of 39468129 in words is "thirty-nine million, four hundred sixty-eight thousand, one hundred twenty-nine".