3135540121 has 4 divisors (see below), whose sum is σ = 3583474432. Its totient is φ = 2687605812.

The previous prime is 3135540097. The next prime is 3135540137. The reversal of 3135540121 is 1210455313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3135540121 - 2¹¹ = 3135538073 is a prime.

It is a super-2 number, since 2×3135540121² = 19663223700801389282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3135540181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223967145 + ... + 223967158.

It is an arithmetic number, because the mean of its divisors is an integer number (895868608).

Almost surely, 2^3135540121 is an apocalyptic number.

It is an amenable number.

3135540121 is a deficient number, since it is larger than the sum of its proper divisors (447934311).

3135540121 is an equidigital number, since it uses as much as digits as its factorization.

3135540121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447934310.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 3135540121 is about 55995.8937869555. The cubic root of 3135540121 is about 1463.6507312831.

Adding to 3135540121 its reverse (1210455313), we get a palindrome (4345995434).

The spelling of 3135540121 in words is "three billion, one hundred thirty-five million, five hundred forty thousand, one hundred twenty-one".