149383689 has 64 divisors (see below), whose sum is σ = 263122944. Its totient is φ = 73218816.

The previous prime is 149383687. The next prime is 149383691. The reversal of 149383689 is 986383941.

It is an interprime number because it is at equal distance from previous prime (149383687) and next prime (149383691).

It is not a de Polignac number, because 149383689 - 2¹ = 149383687 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149383687) 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 63 ways as a sum of consecutive naturals, for example, 232002 + ... + 232644.

It is an arithmetic number, because the mean of its divisors is an integer number (4111296).

Almost surely, 2^149383689 is an apocalyptic number.

It is an amenable number.

149383689 is a deficient number, since it is larger than the sum of its proper divisors (113739255).

149383689 is a wasteful number, since it uses less digits than its factorization.

149383689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726.

The product of its digits is 1119744, while the sum is 51.

The square root of 149383689 is about 12222.2620246827. The cubic root of 149383689 is about 530.6005877079.

The spelling of 149383689 in words is "one hundred forty-nine million, three hundred eighty-three thousand, six hundred eighty-nine".