149236214399 has 4 divisors (see below), whose sum is σ = 158014815264. Its totient is φ = 140457613536.

The previous prime is 149236214389. The next prime is 149236214431. The reversal of 149236214399 is 993412632941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993412632941 = 67 ⋅14827054223.

It is a cyclic number.

It is not a de Polignac number, because 149236214399 - 2⁸ = 149236214143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149236214399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149236214359) 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, 4389300407 + ... + 4389300440.

It is an arithmetic number, because the mean of its divisors is an integer number (39503703816).

Almost surely, 2^149236214399 is an apocalyptic number.

149236214399 is a deficient number, since it is larger than the sum of its proper divisors (8778600865).

149236214399 is an equidigital number, since it uses as much as digits as its factorization.

149236214399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8778600864.

The product of its digits is 2519424, while the sum is 53.

The spelling of 149236214399 in words is "one hundred forty-nine billion, two hundred thirty-six million, two hundred fourteen thousand, three hundred ninety-nine".