149619394 has 8 divisors (see below), whose sum is σ = 224917308. Its totient is φ = 74646960.

The previous prime is 149619391. The next prime is 149619401. The reversal of 149619394 is 493916941.

It can be written as a sum of positive squares in 2 ways, for example, as 131446225 + 18173169 = 11465^2 + 4263^2 .

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

It is not an unprimeable number, because it can be changed into a prime (149619391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80217 + ... + 82060.

Almost surely, 2^149619394 is an apocalyptic number.

149619394 is a deficient number, since it is larger than the sum of its proper divisors (75297914).

149619394 is a wasteful number, since it uses less digits than its factorization.

149619394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162740.

The product of its digits is 209952, while the sum is 46.

The square root of 149619394 is about 12231.9006699695. The cubic root of 149619394 is about 530.8795103755.

The spelling of 149619394 in words is "one hundred forty-nine million, six hundred nineteen thousand, three hundred ninety-four".