133905798453 has 48 divisors (see below), whose sum is σ = 212489652480. Its totient is φ = 74769537024.

The previous prime is 133905798449. The next prime is 133905798479. The reversal of 133905798453 is 354897509331.

It is not a de Polignac number, because 133905798453 - 2² = 133905798449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133905798393 and 133905798402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133905798443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1067025 + ... + 1185897.

It is an arithmetic number, because the mean of its divisors is an integer number (4426867760).

Almost surely, 2^133905798453 is an apocalyptic number.

It is an amenable number.

133905798453 is a deficient number, since it is larger than the sum of its proper divisors (78583854027).

133905798453 is a wasteful number, since it uses less digits than its factorization.

133905798453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119066 (or 119059 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 57.

The spelling of 133905798453 in words is "one hundred thirty-three billion, nine hundred five million, seven hundred ninety-eight thousand, four hundred fifty-three".