149315283939 has 8 divisors (see below), whose sum is σ = 199090480320. Its totient is φ = 99541805096.

The previous prime is 149315283937. The next prime is 149315283959. The reversal of 149315283939 is 939382513941.

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

It is a cyclic number.

It is not a de Polignac number, because 149315283939 - 2¹ = 149315283937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149315283937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210609 + ... + 585650.

It is an arithmetic number, because the mean of its divisors is an integer number (24886310040).

Almost surely, 2^149315283939 is an apocalyptic number.

149315283939 is a deficient number, since it is larger than the sum of its proper divisors (49775196381).

149315283939 is an equidigital number, since it uses as much as digits as its factorization.

149315283939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858769.

The product of its digits is 6298560, while the sum is 57.

The spelling of 149315283939 in words is "one hundred forty-nine billion, three hundred fifteen million, two hundred eighty-three thousand, nine hundred thirty-nine".