142391216935407 has 8 divisors (see below), whose sum is σ = 207114497360640. Its totient is φ = 86297707233560.

The previous prime is 142391216935333. The next prime is 142391216935411. The reversal of 142391216935407 is 704539612193241.

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

It is a cyclic number.

It is not a de Polignac number, because 142391216935407 - 2⁸ = 142391216935151 is a prime.

It is a super-2 number, since 2×142391216935407² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142391216935427) 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, 2157442680807 + ... + 2157442680872.

It is an arithmetic number, because the mean of its divisors is an integer number (25889312170080).

Almost surely, 2^{142391216935407} is an apocalyptic number.

142391216935407 is a deficient number, since it is larger than the sum of its proper divisors (64723280425233).

142391216935407 is a wasteful number, since it uses less digits than its factorization.

142391216935407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314885361693.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 142391216935407 in words is "one hundred forty-two trillion, three hundred ninety-one billion, two hundred sixteen million, nine hundred thirty-five thousand, four hundred seven".