2135102402 has 4 divisors (see below), whose sum is σ = 3202653606. Its totient is φ = 1067551200.

The previous prime is 2135102341. The next prime is 2135102423. The reversal of 2135102402 is 2042015312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2128807321 + 6295081 = 46139^2 + 2509^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533775599 + ... + 533775602.

Almost surely, 2^2135102402 is an apocalyptic number.

2135102402 is a deficient number, since it is larger than the sum of its proper divisors (1067551204).

2135102402 is a wasteful number, since it uses less digits than its factorization.

2135102402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067551203.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2135102402 is about 46207.1682967048. The cubic root of 2135102402 is about 1287.6749180389.

Adding to 2135102402 its reverse (2042015312), we get a palindrome (4177117714).

The spelling of 2135102402 in words is "two billion, one hundred thirty-five million, one hundred two thousand, four hundred two".