135546857 has 4 divisors (see below), whose sum is σ = 137262720. Its totient is φ = 133830996.

The previous prime is 135546847. The next prime is 135546869. The reversal of 135546857 is 758645531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 758645531 = 7 ⋅108377933.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135546857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135546847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857813 + ... + 857970.

It is an arithmetic number, because the mean of its divisors is an integer number (34315680).

Almost surely, 2^135546857 is an apocalyptic number.

It is an amenable number.

135546857 is a deficient number, since it is larger than the sum of its proper divisors (1715863).

135546857 is an equidigital number, since it uses as much as digits as its factorization.

135546857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715862.

The product of its digits is 504000, while the sum is 44.

The square root of 135546857 is about 11642.4592333407. The cubic root of 135546857 is about 513.6845265967.

The spelling of 135546857 in words is "one hundred thirty-five million, five hundred forty-six thousand, eight hundred fifty-seven".