3135123444 has 24 divisors (see below), whose sum is σ = 7355709088. Its totient is φ = 1039266720.

The previous prime is 3135123437. The next prime is 3135123547. The reversal of 3135123444 is 4443215313.

It is a super-2 number, since 2×3135123444² = 19657998018236842272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719542 + ... + 723885.

Almost surely, 2^3135123444 is an apocalyptic number.

It is an amenable number.

3135123444 is an abundant number, since it is smaller than the sum of its proper divisors (4220585644).

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

3135123444 is a wasteful number, since it uses less digits than its factorization.

3135123444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443615 (or 1443613 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 3135123444 is about 55992.1730601698. The cubic root of 3135123444 is about 1463.5858943290.

Adding to 3135123444 its reverse (4443215313), we get a palindrome (7578338757).

The spelling of 3135123444 in words is "three billion, one hundred thirty-five million, one hundred twenty-three thousand, four hundred forty-four".