133121402164464 has 80 divisors (see below), whose sum is σ = 398408997549312. Its totient is φ = 37513663225344.

The previous prime is 133121402164379. The next prime is 133121402164477. The reversal of 133121402164464 is 464461204121331.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 2713637454 + ... + 2713686509.

Almost surely, 2^{133121402164464} is an apocalyptic number.

133121402164464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

133121402164464 is an abundant number, since it is smaller than the sum of its proper divisors (265287595384848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133121402164464 is a wasteful number, since it uses less digits than its factorization.

133121402164464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5427324054 (or 5427324048 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

Adding to 133121402164464 its reverse (464461204121331), we get a palindrome (597582606285795).

The spelling of 133121402164464 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, four hundred two million, one hundred sixty-four thousand, four hundred sixty-four".