142109193836 has 24 divisors (see below), whose sum is σ = 252929250000. Its totient is φ = 69843913664.

The previous prime is 142109193791. The next prime is 142109193881. The reversal of 142109193836 is 638391901241.

It is an interprime number because it is at equal distance from previous prime (142109193791) and next prime (142109193881).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3555290 + ... + 3595038.

It is an arithmetic number, because the mean of its divisors is an integer number (10538718750).

Almost surely, 2^142109193836 is an apocalyptic number.

It is an amenable number.

142109193836 is a deficient number, since it is larger than the sum of its proper divisors (110820056164).

142109193836 is a wasteful number, since it uses less digits than its factorization.

142109193836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54961 (or 54959 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 142109193836 in words is "one hundred forty-two billion, one hundred nine million, one hundred ninety-three thousand, eight hundred thirty-six".