2133215402 has 8 divisors (see below), whose sum is σ = 3204052356. Its totient is φ = 1065197952.

The previous prime is 2133215401. The next prime is 2133215407. The reversal of 2133215402 is 2045123312.

It can be written as a sum of positive squares in 2 ways, for example, as 2075622481 + 57592921 = 45559^2 + 7589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2133215401) 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, 702983 + ... + 706010.

Almost surely, 2^2133215402 is an apocalyptic number.

2133215402 is a deficient number, since it is larger than the sum of its proper divisors (1070836954).

2133215402 is a wasteful number, since it uses less digits than its factorization.

2133215402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409752.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2133215402 is about 46186.7448733941. The cubic root of 2133215402 is about 1287.2954579015.

Adding to 2133215402 its reverse (2045123312), we get a palindrome (4178338714).

The spelling of 2133215402 in words is "two billion, one hundred thirty-three million, two hundred fifteen thousand, four hundred two".