133421030 has 16 divisors (see below), whose sum is σ = 244095984. Its totient is φ = 52493280.

The previous prime is 133421027. The next prime is 133421039. The reversal of 133421030 is 30124331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133421039) 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, 108752 + ... + 109971.

It is an arithmetic number, because the mean of its divisors is an integer number (15255999).

Almost surely, 2^133421030 is an apocalyptic number.

133421030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133421030 is a deficient number, since it is larger than the sum of its proper divisors (110674954).

133421030 is a wasteful number, since it uses less digits than its factorization.

133421030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218791.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 133421030 is about 11550.8021366483. The cubic root of 133421030 is about 510.9849350200.

Adding to 133421030 its reverse (30124331), we get a palindrome (163545361).

The spelling of 133421030 in words is "one hundred thirty-three million, four hundred twenty-one thousand, thirty".