149464139683 has 4 divisors (see below), whose sum is σ = 149470357168. Its totient is φ = 149457922200.

The previous prime is 149464139647. The next prime is 149464139687. The reversal of 149464139683 is 386931464941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149464139683 - 2⁹ = 149464139171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149464139687) 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, 3072543 + ... + 3120808.

It is an arithmetic number, because the mean of its divisors is an integer number (37367589292).

Almost surely, 2^149464139683 is an apocalyptic number.

149464139683 is a deficient number, since it is larger than the sum of its proper divisors (6217485).

149464139683 is an equidigital number, since it uses as much as digits as its factorization.

149464139683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6217484.

The product of its digits is 13436928, while the sum is 58.

The spelling of 149464139683 in words is "one hundred forty-nine billion, four hundred sixty-four million, one hundred thirty-nine thousand, six hundred eighty-three".