3135749 has 4 divisors (see below), whose sum is σ = 3147936. Its totient is φ = 3123564.

The previous prime is 3135739. The next prime is 3135767. The reversal of 3135749 is 9475313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9475313 = 61 ⋅155333.

It is a cyclic number.

It is not a de Polignac number, because 3135749 - 2¹⁶ = 3070213 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 (3135709) 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, 5699 + ... + 6224.

It is an arithmetic number, because the mean of its divisors is an integer number (786984).

Almost surely, 2^3135749 is an apocalyptic number.

It is an amenable number.

3135749 is a deficient number, since it is larger than the sum of its proper divisors (12187).

3135749 is a wasteful number, since it uses less digits than its factorization.

3135749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12186.

The product of its digits is 11340, while the sum is 32.

The square root of 3135749 is about 1770.8046193750. The cubic root of 3135749 is about 146.3683231703.

The spelling of 3135749 in words is "three million, one hundred thirty-five thousand, seven hundred forty-nine".