149181367 has 4 divisors (see below), whose sum is σ = 149273056. Its totient is φ = 149089680.

The previous prime is 149181353. The next prime is 149181371. The reversal of 149181367 is 763181941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149181367 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 (149181317) 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, 43359 + ... + 46672.

It is an arithmetic number, because the mean of its divisors is an integer number (37318264).

Almost surely, 2^149181367 is an apocalyptic number.

149181367 is a deficient number, since it is larger than the sum of its proper divisors (91689).

149181367 is an equidigital number, since it uses as much as digits as its factorization.

149181367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91688.

The product of its digits is 36288, while the sum is 40.

The square root of 149181367 is about 12213.9824381731. The cubic root of 149181367 is about 530.3609348728.

The spelling of 149181367 in words is "one hundred forty-nine million, one hundred eighty-one thousand, three hundred sixty-seven".