29142859 has 2 divisors, whose sum is σ = 29142860. Its totient is φ = 29142858.

The previous prime is 29142851. The next prime is 29142871. The reversal of 29142859 is 95824192.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29142859 - 2³ = 29142851 is a prime.

It is not a weakly prime, because it can be changed into another prime (29142851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14571429 + 14571430.

It is an arithmetic number, because the mean of its divisors is an integer number (14571430).

Almost surely, 2^29142859 is an apocalyptic number.

29142859 is a deficient number, since it is larger than the sum of its proper divisors (1).

29142859 is an equidigital number, since it uses as much as digits as its factorization.

29142859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 40.

The square root of 29142859 is about 5398.4126370629. The cubic root of 29142859 is about 307.7353485031.

The spelling of 29142859 in words is "twenty-nine million, one hundred forty-two thousand, eight hundred fifty-nine".