2135453826 has 16 divisors (see below), whose sum is σ = 4659172128. Its totient is φ = 647107200.

The previous prime is 2135453809. The next prime is 2135453839. The reversal of 2135453826 is 6283545312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16177615 + ... + 16177746.

It is an arithmetic number, because the mean of its divisors is an integer number (291198258).

Almost surely, 2^2135453826 is an apocalyptic number.

2135453826 is an abundant number, since it is smaller than the sum of its proper divisors (2523718302).

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

2135453826 is a wasteful number, since it uses less digits than its factorization.

2135453826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32355377.

The product of its digits is 172800, while the sum is 39.

The square root of 2135453826 is about 46210.9708402669. The cubic root of 2135453826 is about 1287.7455618084.

The spelling of 2135453826 in words is "two billion, one hundred thirty-five million, four hundred fifty-three thousand, eight hundred twenty-six".