149317619786 has 16 divisors (see below), whose sum is σ = 235772372160. Its totient is φ = 70727086080.

The previous prime is 149317619753. The next prime is 149317619791. The reversal of 149317619786 is 687916713941.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1867571 + ... + 1945881.

It is an arithmetic number, because the mean of its divisors is an integer number (14735773260).

Almost surely, 2^149317619786 is an apocalyptic number.

149317619786 is a deficient number, since it is larger than the sum of its proper divisors (86454752374).

149317619786 is a wasteful number, since it uses less digits than its factorization.

149317619786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128509.

The product of its digits is 13716864, while the sum is 62.

The spelling of 149317619786 in words is "one hundred forty-nine billion, three hundred seventeen million, six hundred nineteen thousand, seven hundred eighty-six".