3135028621 has 4 divisors (see below), whose sum is σ = 3135253312. Its totient is φ = 3134803932.

The previous prime is 3135028609. The next prime is 3135028703. The reversal of 3135028621 is 1268205313.

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 3135028621 - 2¹³ = 3135020429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3135020621) 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, 89925 + ... + 119818.

It is an arithmetic number, because the mean of its divisors is an integer number (783813328).

Almost surely, 2^3135028621 is an apocalyptic number.

It is an amenable number.

3135028621 is a deficient number, since it is larger than the sum of its proper divisors (224691).

3135028621 is a wasteful number, since it uses less digits than its factorization.

3135028621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224690.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3135028621 is about 55991.3263014907. The cubic root of 3135028621 is about 1463.5711386097.

The spelling of 3135028621 in words is "three billion, one hundred thirty-five million, twenty-eight thousand, six hundred twenty-one".