149211313213 has 8 divisors (see below), whose sum is σ = 154375392600. Its totient is φ = 144048491328.

The previous prime is 149211313183. The next prime is 149211313249. The reversal of 149211313213 is 312313112941.

It can be written as a sum of positive squares in 4 ways, for example, as 4082315449 + 145128997764 = 63893^2 + 380958^2 .

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 149211313213 - 2¹³ = 149211305021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149211313253) 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, 69718 + ... + 550711.

It is an arithmetic number, because the mean of its divisors is an integer number (19296924075).

Almost surely, 2^149211313213 is an apocalyptic number.

It is an amenable number.

149211313213 is a deficient number, since it is larger than the sum of its proper divisors (5164079387).

149211313213 is an equidigital number, since it uses as much as digits as its factorization.

149211313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628751.

The product of its digits is 3888, while the sum is 31.

The spelling of 149211313213 in words is "one hundred forty-nine billion, two hundred eleven million, three hundred thirteen thousand, two hundred thirteen".