142690859393 has 4 divisors (see below), whose sum is σ = 142811071920. Its totient is φ = 142570646868.

The previous prime is 142690859329. The next prime is 142690859431. The reversal of 142690859393 is 393958096241.

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 142690859393 - 2⁶ = 142690859329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142690859093) 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, 60104483 + ... + 60106856.

It is an arithmetic number, because the mean of its divisors is an integer number (35702767980).

Almost surely, 2^142690859393 is an apocalyptic number.

It is an amenable number.

142690859393 is a deficient number, since it is larger than the sum of its proper divisors (120212527).

142690859393 is a wasteful number, since it uses less digits than its factorization.

142690859393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120212526.

The product of its (nonzero) digits is 12597120, while the sum is 59.

The spelling of 142690859393 in words is "one hundred forty-two billion, six hundred ninety million, eight hundred fifty-nine thousand, three hundred ninety-three".