129140167 has 6 divisors (see below), whose sum is σ = 139838352. Its totient is φ = 119206152.

The previous prime is 129140153. The next prime is 129140197. The reversal of 129140167 is 761041921.

It is a de Polignac number, because none of the positive numbers 2^k-129140167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129140107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 381903 + ... + 382240.

It is an arithmetic number, because the mean of its divisors is an integer number (23306392).

Almost surely, 2^129140167 is an apocalyptic number.

129140167 is a deficient number, since it is larger than the sum of its proper divisors (10698185).

129140167 is an equidigital number, since it uses as much as digits as its factorization.

129140167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764169 (or 764156 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 129140167 is about 11363.9855244540. The cubic root of 129140167 is about 505.4603742203.

The spelling of 129140167 in words is "one hundred twenty-nine million, one hundred forty thousand, one hundred sixty-seven".