3135123442 has 48 divisors (see below), whose sum is σ = 5597440128. Its totient is φ = 1304881920.

The previous prime is 3135123437. The next prime is 3135123547. The reversal of 3135123442 is 2443215313.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3135123442.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228583 + ... + 241909.

It is an arithmetic number, because the mean of its divisors is an integer number (116613336).

Almost surely, 2^3135123442 is an apocalyptic number.

3135123442 is a deficient number, since it is larger than the sum of its proper divisors (2462316686).

3135123442 is a wasteful number, since it uses less digits than its factorization.

3135123442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13411 (or 13394 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 3135123442 is about 55992.1730423101. The cubic root of 3135123442 is about 1463.5858940178.

Adding to 3135123442 its reverse (2443215313), we get a palindrome (5578338755).

The spelling of 3135123442 in words is "three billion, one hundred thirty-five million, one hundred twenty-three thousand, four hundred forty-two".