1244346136 has 16 divisors (see below), whose sum is σ = 2545253640. Its totient is φ = 565611840.

The previous prime is 1244346133. The next prime is 1244346139. The reversal of 1244346136 is 6316434421.

It is an interprime number because it is at equal distance from previous prime (1244346133) and next prime (1244346139).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244346133) 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, 7070061 + ... + 7070236.

Almost surely, 2^1244346136 is an apocalyptic number.

It is an amenable number.

1244346136 is an abundant number, since it is smaller than the sum of its proper divisors (1300907504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244346136 is a wasteful number, since it uses less digits than its factorization.

1244346136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14140314 (or 14140310 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 1244346136 is about 35275.2907287807. The cubic root of 1244346136 is about 1075.5907727359.

The spelling of 1244346136 in words is "one billion, two hundred forty-four million, three hundred forty-six thousand, one hundred thirty-six".