133471696 has 10 divisors (see below), whose sum is σ = 258601442. Its totient is φ = 66735840.

The previous prime is 133471673. The next prime is 133471697. The reversal of 133471696 is 696174331.

It can be written as a sum of positive squares in only one way, i.e., 130782096 + 2689600 = 11436^2 + 1640^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133471697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4170975 + ... + 4171006.

Almost surely, 2^133471696 is an apocalyptic number.

133471696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133471696 is a deficient number, since it is larger than the sum of its proper divisors (125129746).

133471696 is an equidigital number, since it uses as much as digits as its factorization.

133471696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341989 (or 8341983 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 133471696 is about 11552.9951094943. The cubic root of 133471696 is about 511.0496081985.

The spelling of 133471696 in words is "one hundred thirty-three million, four hundred seventy-one thousand, six hundred ninety-six".