149141399 has 4 divisors (see below), whose sum is σ = 162699720. Its totient is φ = 135583080.

The previous prime is 149141389. The next prime is 149141429. The reversal of 149141399 is 993141941.

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 149141399 - 2⁴ = 149141383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149141309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6779144 + ... + 6779165.

It is an arithmetic number, because the mean of its divisors is an integer number (40674930).

Almost surely, 2^149141399 is an apocalyptic number.

149141399 is a deficient number, since it is larger than the sum of its proper divisors (13558321).

149141399 is a wasteful number, since it uses less digits than its factorization.

149141399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13558320.

The product of its digits is 34992, while the sum is 41.

The square root of 149141399 is about 12212.3461709861. The cubic root of 149141399 is about 530.3135666713.

The spelling of 149141399 in words is "one hundred forty-nine million, one hundred forty-one thousand, three hundred ninety-nine".