142635811494 has 32 divisors (see below), whose sum is σ = 311333458176. Its totient is φ = 43205188320.

The previous prime is 142635811489. The next prime is 142635811517. The reversal of 142635811494 is 494118536241.

It is a congruent number.

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, 282562 + ... + 604245.

It is an arithmetic number, because the mean of its divisors is an integer number (9729170568).

Almost surely, 2^142635811494 is an apocalyptic number.

142635811494 is an abundant number, since it is smaller than the sum of its proper divisors (168697646682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142635811494 is a wasteful number, since it uses less digits than its factorization.

142635811494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889260.

The product of its digits is 829440, while the sum is 48.

The spelling of 142635811494 in words is "one hundred forty-two billion, six hundred thirty-five million, eight hundred eleven thousand, four hundred ninety-four".