133468740 has 36 divisors (see below), whose sum is σ = 404855724. Its totient is φ = 35591616.

The previous prime is 133468667. The next prime is 133468781. The reversal of 133468740 is 47864331.

It can be written as a sum of positive squares in 2 ways, for example, as 97180164 + 36288576 = 9858^2 + 6024^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 133468695 and 133468704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370567 + ... + 370926.

Almost surely, 2^133468740 is an apocalyptic number.

133468740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133468740 is an abundant number, since it is smaller than the sum of its proper divisors (271386984).

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

133468740 is a wasteful number, since it uses less digits than its factorization.

133468740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741508 (or 741503 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 133468740 is about 11552.8671765930. The cubic root of 133468740 is about 511.0458354291.

The spelling of 133468740 in words is "one hundred thirty-three million, four hundred sixty-eight thousand, seven hundred forty".