149670393 has 8 divisors (see below), whose sum is σ = 202832256. Its totient is φ = 98144400.

The previous prime is 149670383. The next prime is 149670403. The reversal of 149670393 is 393076941.

It is an interprime number because it is at equal distance from previous prime (149670383) and next prime (149670403).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-149670393 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149670373) 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 7 ways as a sum of consecutive naturals, for example, 408753 + ... + 409118.

It is an arithmetic number, because the mean of its divisors is an integer number (25354032).

Almost surely, 2^149670393 is an apocalyptic number.

It is an amenable number.

149670393 is a deficient number, since it is larger than the sum of its proper divisors (53161863).

149670393 is an equidigital number, since it uses as much as digits as its factorization.

149670393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817935.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 149670393 is about 12233.9851642872. The cubic root of 149670393 is about 530.9398217381.

The spelling of 149670393 in words is "one hundred forty-nine million, six hundred seventy thousand, three hundred ninety-three".