4140129 has 16 divisors (see below), whose sum is σ = 6680448. Its totient is φ = 2226432.

The previous prime is 4140121. The next prime is 4140133. The reversal of 4140129 is 9210414.

It is not a de Polignac number, because 4140129 - 2³ = 4140121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5442 + ... + 6155.

It is an arithmetic number, because the mean of its divisors is an integer number (417528).

Almost surely, 2^4140129 is an apocalyptic number.

It is an amenable number.

4140129 is a deficient number, since it is larger than the sum of its proper divisors (2540319).

4140129 is a wasteful number, since it uses less digits than its factorization.

4140129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11624.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 4140129 is about 2034.7306947112. The cubic root of 4140129 is about 160.5725451110.

The spelling of 4140129 in words is "four million, one hundred forty thousand, one hundred twenty-nine".