133141420 has 24 divisors (see below), whose sum is σ = 280695744. Its totient is φ = 53047296.

The previous prime is 133141409. The next prime is 133141423. The reversal of 133141420 is 24141331.

It is not an unprimeable number, because it can be changed into a prime (133141423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7812 + ... + 18091.

It is an arithmetic number, because the mean of its divisors is an integer number (11695656).

Almost surely, 2^133141420 is an apocalyptic number.

133141420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133141420 is an abundant number, since it is smaller than the sum of its proper divisors (147554324).

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

133141420 is a wasteful number, since it uses less digits than its factorization.

133141420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26169 (or 26167 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 133141420 is about 11538.6923002566. The cubic root of 133141420 is about 510.6277289068.

Adding to 133141420 its reverse (24141331), we get a palindrome (157282751).

The spelling of 133141420 in words is "one hundred thirty-three million, one hundred forty-one thousand, four hundred twenty".