2134081257 has 32 divisors (see below), whose sum is σ = 3571430400. Its totient is φ = 1101155520.

The previous prime is 2134081241. The next prime is 2134081267. The reversal of 2134081257 is 7521804312.

It is not a de Polignac number, because 2134081257 - 2⁴ = 2134081241 is a prime.

It is a super-2 number, since 2×2134081257² = 9108605622957400098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2134081267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3418 + ... + 65420.

It is an arithmetic number, because the mean of its divisors is an integer number (111607200).

Almost surely, 2^2134081257 is an apocalyptic number.

It is an amenable number.

2134081257 is a deficient number, since it is larger than the sum of its proper divisors (1437349143).

2134081257 is a wasteful number, since it uses less digits than its factorization.

2134081257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62173.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2134081257 is about 46196.1173368499. The cubic root of 2134081257 is about 1287.4696019718.

Adding to 2134081257 its reverse (7521804312), we get a palindrome (9655885569).

The spelling of 2134081257 in words is "two billion, one hundred thirty-four million, eighty-one thousand, two hundred fifty-seven".