2135555402 has 8 divisors (see below), whose sum is σ = 3391764516. Its totient is φ = 1004967232.

The previous prime is 2135555393. The next prime is 2135555431. The reversal of 2135555402 is 2045555312.

It can be written as a sum of positive squares in 2 ways, for example, as 2134347601 + 1207801 = 46199^2 + 1099^2 .

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

It is a super-2 number, since 2×2135555402² = 9121193750022763208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31405193 + ... + 31405260.

Almost surely, 2^2135555402 is an apocalyptic number.

2135555402 is a deficient number, since it is larger than the sum of its proper divisors (1256209114).

2135555402 is a wasteful number, since it uses less digits than its factorization.

2135555402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62810472.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 2135555402 is about 46212.0698735731. The cubic root of 2135555402 is about 1287.7659793214.

The spelling of 2135555402 in words is "two billion, one hundred thirty-five million, five hundred fifty-five thousand, four hundred two".