133000423213420 has 24 divisors (see below), whose sum is σ = 319201015712544. Its totient is φ = 45600145101696.

The previous prime is 133000423213369. The next prime is 133000423213433. The reversal of 133000423213420 is 24312324000331.

It is a happy number.

It is a super-2 number, since 2×133000423213420² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475001511337 + ... + 475001511616.

It is an arithmetic number, because the mean of its divisors is an integer number (13300042321356).

Almost surely, 2^{133000423213420} is an apocalyptic number.

133000423213420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133000423213420 is an abundant number, since it is smaller than the sum of its proper divisors (186200592499124).

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

133000423213420 is a wasteful number, since it uses less digits than its factorization.

133000423213420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950003022969 (or 950003022967 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 133000423213420 its reverse (24312324000331), we get a palindrome (157312747213751).

The spelling of 133000423213420 in words is "one hundred thirty-three trillion, four hundred twenty-three million, two hundred thirteen thousand, four hundred twenty".