142877929 has 4 divisors (see below), whose sum is σ = 150397840. Its totient is φ = 135358020.

The previous prime is 142877897. The next prime is 142877941. The reversal of 142877929 is 929778241.

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 142877929 - 2⁵ = 142877897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142877429) 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, 3759927 + ... + 3759964.

It is an arithmetic number, because the mean of its divisors is an integer number (37599460).

Almost surely, 2^142877929 is an apocalyptic number.

142877929 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

142877929 is a deficient number, since it is larger than the sum of its proper divisors (7519911).

142877929 is an equidigital number, since it uses as much as digits as its factorization.

142877929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7519910.

The product of its digits is 508032, while the sum is 49.

The square root of 142877929 is about 11953.1556084575. The cubic root of 142877929 is about 522.7833116289.

The spelling of 142877929 in words is "one hundred forty-two million, eight hundred seventy-seven thousand, nine hundred twenty-nine".