149128367 has 4 divisors (see below), whose sum is σ = 149374656. Its totient is φ = 148882080.

The previous prime is 149128363. The next prime is 149128373. The reversal of 149128367 is 763821941.

149128367 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 149128367 - 2² = 149128363 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 (149128363) 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, 122234 + ... + 123447.

It is an arithmetic number, because the mean of its divisors is an integer number (37343664).

Almost surely, 2^149128367 is an apocalyptic number.

149128367 is a deficient number, since it is larger than the sum of its proper divisors (246289).

149128367 is an equidigital number, since it uses as much as digits as its factorization.

149128367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246288.

The product of its digits is 72576, while the sum is 41.

The square root of 149128367 is about 12211.8126009205. The cubic root of 149128367 is about 530.2981199258.

The spelling of 149128367 in words is "one hundred forty-nine million, one hundred twenty-eight thousand, three hundred sixty-seven".