133420610 has 16 divisors (see below), whose sum is σ = 244689336. Its totient is φ = 52361088.

The previous prime is 133420597. The next prime is 133420627. The reversal of 133420610 is 16024331.

It can be written as a sum of positive squares in 4 ways, for example, as 98267569 + 35153041 = 9913^2 + 5929^2 .

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, 125339 + ... + 126398.

Almost surely, 2^133420610 is an apocalyptic number.

133420610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133420610 is a deficient number, since it is larger than the sum of its proper divisors (111268726).

133420610 is a wasteful number, since it uses less digits than its factorization.

133420610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251797.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 133420610 is about 11550.7839560785. The cubic root of 133420610 is about 510.9843988379.

Adding to 133420610 its reverse (16024331), we get a palindrome (149444941).

The spelling of 133420610 in words is "one hundred thirty-three million, four hundred twenty thousand, six hundred ten".