149740406 has 16 divisors (see below), whose sum is σ = 242824560. Its totient is φ = 69012000.

The previous prime is 149740397. The next prime is 149740411. The reversal of 149740406 is 604047941.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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, 51845 + ... + 54656.

It is an arithmetic number, because the mean of its divisors is an integer number (15176535).

Almost surely, 2^149740406 is an apocalyptic number.

149740406 is a deficient number, since it is larger than the sum of its proper divisors (93084154).

149740406 is a wasteful number, since it uses less digits than its factorization.

149740406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106559.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 149740406 is about 12236.8462440287. The cubic root of 149740406 is about 531.0225967262.

The spelling of 149740406 in words is "one hundred forty-nine million, seven hundred forty thousand, four hundred six".