142319011 has 4 divisors (see below), whose sum is σ = 143624800. Its totient is φ = 141013224.

The previous prime is 142318997. The next prime is 142319017. The reversal of 142319011 is 110913241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142319011 - 2²⁷ = 8101283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142319017) 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, 652731 + ... + 652948.

It is an arithmetic number, because the mean of its divisors is an integer number (35906200).

Almost surely, 2^142319011 is an apocalyptic number.

142319011 is a deficient number, since it is larger than the sum of its proper divisors (1305789).

142319011 is a wasteful number, since it uses less digits than its factorization.

142319011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305788.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 142319011 is about 11929.7531826941. The cubic root of 142319011 is about 522.1007363215.

The spelling of 142319011 in words is "one hundred forty-two million, three hundred nineteen thousand, eleven".