149236406 has 16 divisors (see below), whose sum is σ = 244941840. Its totient is φ = 67630080.

The previous prime is 149236337. The next prime is 149236411. The reversal of 149236406 is 604632941.

149236406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2651 + ... + 17478.

It is an arithmetic number, because the mean of its divisors is an integer number (15308865).

Almost surely, 2^149236406 is an apocalyptic number.

149236406 is a deficient number, since it is larger than the sum of its proper divisors (95705434).

149236406 is a wasteful number, since it uses less digits than its factorization.

149236406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20479.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 149236406 is about 12216.2353448188. The cubic root of 149236406 is about 530.4261506724.

The spelling of 149236406 in words is "one hundred forty-nine million, two hundred thirty-six thousand, four hundred six".