3136949 has 2 divisors, whose sum is σ = 3136950. Its totient is φ = 3136948.

The previous prime is 3136943. The next prime is 3136961. The reversal of 3136949 is 9496313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2402500 + 734449 = 1550^2 + 857^2 .

It is an emirp because it is prime and its reverse (9496313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3136949 - 2⁴ = 3136933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3136943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1568474 + 1568475.

It is an arithmetic number, because the mean of its divisors is an integer number (1568475).

Almost surely, 2^3136949 is an apocalyptic number.

It is an amenable number.

3136949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3136949 is an equidigital number, since it uses as much as digits as its factorization.

3136949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 35.

The square root of 3136949 is about 1771.1434159887. The cubic root of 3136949 is about 146.3869917125.

The spelling of 3136949 in words is "three million, one hundred thirty-six thousand, nine hundred forty-nine".