2134088691 has 16 divisors (see below), whose sum is σ = 3284145408. Its totient is φ = 1207404000.

The previous prime is 2134088687. The next prime is 2134088711. The reversal of 2134088691 is 1968804312.

It is not a de Polignac number, because 2134088691 - 2² = 2134088687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2134088611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500965 + ... + 505206.

It is an arithmetic number, because the mean of its divisors is an integer number (205259088).

Almost surely, 2^2134088691 is an apocalyptic number.

2134088691 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2134088691 is a deficient number, since it is larger than the sum of its proper divisors (1150056717).

2134088691 is a wasteful number, since it uses less digits than its factorization.

2134088691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006282.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 2134088691 is about 46196.1977980872. The cubic root of 2134088691 is about 1287.4710969224.

The spelling of 2134088691 in words is "two billion, one hundred thirty-four million, eighty-eight thousand, six hundred ninety-one".