133545542355 has 24 divisors (see below), whose sum is σ = 231497482320. Its totient is φ = 71218584000.

The previous prime is 133545542353. The next prime is 133545542357. The reversal of 133545542355 is 553245545331.

133545542355 is a `hidden beast` number, since 1 + 3 + 3 + 54 + 5 + 542 + 3 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (133545542353) and next prime (133545542357).

It is not a de Polignac number, because 133545542355 - 2¹ = 133545542353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 133545542355.

It is not an unprimeable number, because it can be changed into a prime (133545542353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 482605 + ... + 707105.

It is an arithmetic number, because the mean of its divisors is an integer number (9645728430).

Almost surely, 2^133545542355 is an apocalyptic number.

133545542355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133545542355 is a deficient number, since it is larger than the sum of its proper divisors (97951939965).

133545542355 is a wasteful number, since it uses less digits than its factorization.

133545542355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237731 (or 237728 counting only the distinct ones).

The product of its digits is 2700000, while the sum is 45.

The spelling of 133545542355 in words is "one hundred thirty-three billion, five hundred forty-five million, five hundred forty-two thousand, three hundred fifty-five".