913149 has 12 divisors (see below), whose sum is σ = 1327612. Its totient is φ = 604800.

The previous prime is 913139. The next prime is 913151. The reversal of 913149 is 941319.

It can be written as a sum of positive squares in 2 ways, for example, as 257049 + 656100 = 507^2 + 810^2 .

It is not a de Polignac number, because 913149 - 2¹¹ = 911101 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1959 + ... + 2379.

2⁹¹³¹⁴⁹ is an apocalyptic number.

It is an amenable number.

913149 is a deficient number, since it is larger than the sum of its proper divisors (414463).

913149 is a wasteful number, since it uses less digits than its factorization.

913149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 665 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 913149 is about 955.5883004725. The cubic root of 913149 is about 97.0168603561.

It can be divided in two parts, 9131 and 49, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 913149 in words is "nine hundred thirteen thousand, one hundred forty-nine".