126389313 has 12 divisors (see below), whose sum is σ = 182931840. Its totient is φ = 84089016.

The previous prime is 126389267. The next prime is 126389321. The reversal of 126389313 is 313983621.

126389313 is a `hidden beast` number, since 1 + 2 + 638 + 9 + 3 + 13 = 666.

It is not a de Polignac number, because 126389313 - 2¹⁶ = 126323777 is a prime.

It is a super-2 number, since 2×126389313² = 31948516881223938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126389383) 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, 9433 + ... + 18486.

It is an arithmetic number, because the mean of its divisors is an integer number (15244320).

Almost surely, 2^126389313 is an apocalyptic number.

It is an amenable number.

126389313 is a deficient number, since it is larger than the sum of its proper divisors (56542527).

126389313 is a wasteful number, since it uses less digits than its factorization.

126389313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28428 (or 28425 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 126389313 is about 11242.3001650018. The cubic root of 126389313 is about 501.8455964984.

The spelling of 126389313 in words is "one hundred twenty-six million, three hundred eighty-nine thousand, three hundred thirteen".