142407137257 has 8 divisors (see below), whose sum is σ = 177546560832. Its totient is φ = 110966600400.

The previous prime is 142407137237. The next prime is 142407137317. The reversal of 142407137257 is 752731704241.

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 142407137257 - 2⁷ = 142407137129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142407137237) 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, 924721594 + ... + 924721747.

It is an arithmetic number, because the mean of its divisors is an integer number (22193320104).

Almost surely, 2^142407137257 is an apocalyptic number.

It is an amenable number.

142407137257 is a deficient number, since it is larger than the sum of its proper divisors (35139423575).

142407137257 is a wasteful number, since it uses less digits than its factorization.

142407137257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849443359.

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 142407137257 in words is "one hundred forty-two billion, four hundred seven million, one hundred thirty-seven thousand, two hundred fifty-seven".