135040832257 has 8 divisors (see below), whose sum is σ = 137040253056. Its totient is φ = 133050278832.

The previous prime is 135040832233. The next prime is 135040832261. The reversal of 135040832257 is 752238040531.

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

It is a cyclic number.

It is not a de Polignac number, because 135040832257 - 2³⁵ = 100681093889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135040830257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2186158 + ... + 2247079.

It is an arithmetic number, because the mean of its divisors is an integer number (17130031632).

Almost surely, 2^135040832257 is an apocalyptic number.

It is an amenable number.

135040832257 is a deficient number, since it is larger than the sum of its proper divisors (1999420799).

135040832257 is an equidigital number, since it uses as much as digits as its factorization.

135040832257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433687.

The product of its (nonzero) digits is 201600, while the sum is 40.

Adding to 135040832257 its reverse (752238040531), we get a palindrome (887278872788).

The spelling of 135040832257 in words is "one hundred thirty-five billion, forty million, eight hundred thirty-two thousand, two hundred fifty-seven".