133261724145 has 64 divisors (see below), whose sum is σ = 252742901760. Its totient is φ = 59236531200.

The previous prime is 133261724117. The next prime is 133261724159. The reversal of 133261724145 is 541427162331.

It is not a de Polignac number, because 133261724145 - 2⁷ = 133261724017 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 588424 + ... + 782793.

It is an arithmetic number, because the mean of its divisors is an integer number (3949107840).

Almost surely, 2^133261724145 is an apocalyptic number.

133261724145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133261724145 is a deficient number, since it is larger than the sum of its proper divisors (119481177615).

133261724145 is a wasteful number, since it uses less digits than its factorization.

133261724145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371286.

The product of its digits is 120960, while the sum is 39.

Adding to 133261724145 its reverse (541427162331), we get a palindrome (674688886476).

The spelling of 133261724145 in words is "one hundred thirty-three billion, two hundred sixty-one million, seven hundred twenty-four thousand, one hundred forty-five".