135800455 has 16 divisors (see below), whose sum is σ = 186439680. Its totient is φ = 93020832.

The previous prime is 135800449. The next prime is 135800461. The reversal of 135800455 is 554008531.

It is an interprime number because it is at equal distance from previous prime (135800449) and next prime (135800461).

It is a cyclic number.

It is not a de Polignac number, because 135800455 - 2¹¹ = 135798407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48586 + ... + 51304.

It is an arithmetic number, because the mean of its divisors is an integer number (11652480).

Almost surely, 2^135800455 is an apocalyptic number.

135800455 is a deficient number, since it is larger than the sum of its proper divisors (50639225).

135800455 is a wasteful number, since it uses less digits than its factorization.

135800455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 135800455 is about 11653.3452278734. The cubic root of 135800455 is about 514.0046820873.

Adding to 135800455 its reverse (554008531), we get a palindrome (689808986).

The spelling of 135800455 in words is "one hundred thirty-five million, eight hundred thousand, four hundred fifty-five".