7133149 has 4 divisors (see below), whose sum is σ = 7552764. Its totient is φ = 6713536.

The previous prime is 7133129. The next prime is 7133167. The reversal of 7133149 is 9413317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9413317 = 919 ⋅10243.

It can be written as a sum of positive squares in 2 ways, for example, as 2424249 + 4708900 = 1557^2 + 2170^2 .

It is a cyclic number.

It is not a de Polignac number, because 7133149 - 2⁵ = 7133117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7133129) 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, 209782 + ... + 209815.

It is an arithmetic number, because the mean of its divisors is an integer number (1888191).

Almost surely, 2^7133149 is an apocalyptic number.

It is an amenable number.

7133149 is a deficient number, since it is larger than the sum of its proper divisors (419615).

7133149 is a wasteful number, since it uses less digits than its factorization.

7133149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419614.

The product of its digits is 2268, while the sum is 28.

The square root of 7133149 is about 2670.7955743561. The cubic root of 7133149 is about 192.4983886974.

The spelling of 7133149 in words is "seven million, one hundred thirty-three thousand, one hundred forty-nine".