142390767 has 8 divisors (see below), whose sum is σ = 189997360. Its totient is φ = 94855680.

The previous prime is 142390757. The next prime is 142390811. The reversal of 142390767 is 767093241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142390767 - 2⁷ = 142390639 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 (142390757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13042 + ... + 21327.

It is an arithmetic number, because the mean of its divisors is an integer number (23749670).

Almost surely, 2^142390767 is an apocalyptic number.

142390767 is a deficient number, since it is larger than the sum of its proper divisors (47606593).

142390767 is a wasteful number, since it uses less digits than its factorization.

142390767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35753.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 142390767 is about 11932.7602422910. The cubic root of 142390767 is about 522.1884677863.

The spelling of 142390767 in words is "one hundred forty-two million, three hundred ninety thousand, seven hundred sixty-seven".