149791436 has 6 divisors (see below), whose sum is σ = 262135020. Its totient is φ = 74895716.

The previous prime is 149791423. The next prime is 149791441. The reversal of 149791436 is 634197941.

149791436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18723926 + ... + 18723933.

It is an arithmetic number, because the mean of its divisors is an integer number (43689170).

Almost surely, 2^149791436 is an apocalyptic number.

It is an amenable number.

149791436 is a deficient number, since it is larger than the sum of its proper divisors (112343584).

149791436 is a wasteful number, since it uses less digits than its factorization.

149791436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37447863 (or 37447861 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 149791436 is about 12238.9311624831. The cubic root of 149791436 is about 531.0829122331.

The spelling of 149791436 in words is "one hundred forty-nine million, seven hundred ninety-one thousand, four hundred thirty-six".