133021155435 has 16 divisors (see below), whose sum is σ = 243238684416. Its totient is φ = 60809671008.

The previous prime is 133021155367. The next prime is 133021155437. The reversal of 133021155435 is 534551120331.

It is not a de Polignac number, because 133021155435 - 2³² = 128726188139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133021155396 and 133021155405.

It is not an unprimeable number, because it can be changed into a prime (133021155437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633433969 + ... + 633434178.

It is an arithmetic number, because the mean of its divisors is an integer number (15202417776).

Almost surely, 2^133021155435 is an apocalyptic number.

133021155435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133021155435 is a deficient number, since it is larger than the sum of its proper divisors (110217528981).

133021155435 is a wasteful number, since it uses less digits than its factorization.

133021155435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266868162.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 133021155435 its reverse (534551120331), we get a palindrome (667572275766).

The spelling of 133021155435 in words is "one hundred thirty-three billion, twenty-one million, one hundred fifty-five thousand, four hundred thirty-five".