140906860138 has 8 divisors (see below), whose sum is σ = 230574862080. Its totient is φ = 64048572780.

The previous prime is 140906860111. The next prime is 140906860141. The reversal of 140906860138 is 831068609041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3202428618 + ... + 3202428661.

It is an arithmetic number, because the mean of its divisors is an integer number (28821857760).

Almost surely, 2^140906860138 is an apocalyptic number.

140906860138 is a deficient number, since it is larger than the sum of its proper divisors (89668001942).

140906860138 is a wasteful number, since it uses less digits than its factorization.

140906860138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6404857292.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 140906860138 in words is "one hundred forty billion, nine hundred six million, eight hundred sixty thousand, one hundred thirty-eight".