2135653400 has 48 divisors (see below), whose sum is σ = 4998348240. Its totient is φ = 848592000.

The previous prime is 2135653369. The next prime is 2135653411. The reversal of 2135653400 is 43565312.

It is a super-2 number, since 2×2135653400² = 9122030889863120000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5159 + ... + 65558.

It is an arithmetic number, because the mean of its divisors is an integer number (104132255).

Almost surely, 2^2135653400 is an apocalyptic number.

2135653400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2135653400 is an abundant number, since it is smaller than the sum of its proper divisors (2862694840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2135653400 is a wasteful number, since it uses less digits than its factorization.

2135653400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70884 (or 70875 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2135653400 is about 46213.1301688167. The cubic root of 2135653400 is about 1287.7856770169.

The spelling of 2135653400 in words is "two billion, one hundred thirty-five million, six hundred fifty-three thousand, four hundred".