142391216935465 has 16 divisors (see below), whose sum is σ = 178299888480000. Its totient is φ = 108959428176192.

The previous prime is 142391216935427. The next prime is 142391216935481. The reversal of 142391216935465 is 564539612193241.

It is a cyclic number.

It is not a de Polignac number, because 142391216935465 - 2²³ = 142391208546857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11235931 + ... + 20273839.

It is an arithmetic number, because the mean of its divisors is an integer number (11143743030000).

Almost surely, 2^{142391216935465} is an apocalyptic number.

It is an amenable number.

142391216935465 is a deficient number, since it is larger than the sum of its proper divisors (35908671544535).

142391216935465 is a wasteful number, since it uses less digits than its factorization.

142391216935465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9174936.

The product of its digits is 41990400, while the sum is 61.

The spelling of 142391216935465 in words is "one hundred forty-two trillion, three hundred ninety-one billion, two hundred sixteen million, nine hundred thirty-five thousand, four hundred sixty-five".