142407382493 has 4 divisors (see below), whose sum is σ = 142416196320. Its totient is φ = 142398568668.

The previous prime is 142407382487. The next prime is 142407382547. The reversal of 142407382493 is 394283704241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142407382493 - 2²⁶ = 142340273629 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 (142407382193) 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, 4382633 + ... + 4415006.

It is an arithmetic number, because the mean of its divisors is an integer number (35604049080).

Almost surely, 2^142407382493 is an apocalyptic number.

It is an amenable number.

142407382493 is a deficient number, since it is larger than the sum of its proper divisors (8813827).

142407382493 is an equidigital number, since it uses as much as digits as its factorization.

142407382493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8813826.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 142407382493 in words is "one hundred forty-two billion, four hundred seven million, three hundred eighty-two thousand, four hundred ninety-three".