149686367 has 4 divisors (see below), whose sum is σ = 153337296. Its totient is φ = 146035440.

The previous prime is 149686333. The next prime is 149686373. The reversal of 149686367 is 763686941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 763686941 = 127 ⋅6013283.

It is not a de Polignac number, because 149686367 - 2¹⁰ = 149685343 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 (149686307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1825403 + ... + 1825484.

It is an arithmetic number, because the mean of its divisors is an integer number (38334324).

Almost surely, 2^149686367 is an apocalyptic number.

149686367 is a deficient number, since it is larger than the sum of its proper divisors (3650929).

149686367 is an equidigital number, since it uses as much as digits as its factorization.

149686367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650928.

The product of its digits is 1306368, while the sum is 50.

The square root of 149686367 is about 12234.6380003660. The cubic root of 149686367 is about 530.9587097556.

The spelling of 149686367 in words is "one hundred forty-nine million, six hundred eighty-six thousand, three hundred sixty-seven".