149113747 has 4 divisors (see below), whose sum is σ = 149149840. Its totient is φ = 149077656.

The previous prime is 149113739. The next prime is 149113777. The reversal of 149113747 is 747311941.

149113747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149113747 - 2³ = 149113739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149113777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10908 + ... + 20425.

It is an arithmetic number, because the mean of its divisors is an integer number (37287460).

Almost surely, 2^149113747 is an apocalyptic number.

149113747 is a deficient number, since it is larger than the sum of its proper divisors (36093).

149113747 is an equidigital number, since it uses as much as digits as its factorization.

149113747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36092.

The product of its digits is 21168, while the sum is 37.

The square root of 149113747 is about 12211.2139855135. The cubic root of 149113747 is about 530.2807898630.

The spelling of 149113747 in words is "one hundred forty-nine million, one hundred thirteen thousand, seven hundred forty-seven".