133276840 has 16 divisors (see below), whose sum is σ = 299872980. Its totient is φ = 53310720.

The previous prime is 133276831. The next prime is 133276841. The reversal of 133276840 is 48672331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 121484484 + 11792356 = 11022^2 + 3434^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133276796 and 133276805.

It is not an unprimeable number, because it can be changed into a prime (133276841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665921 + ... + 1666000.

Almost surely, 2^133276840 is an apocalyptic number.

133276840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133276840 is an abundant number, since it is smaller than the sum of its proper divisors (166596140).

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

133276840 is a wasteful number, since it uses less digits than its factorization.

133276840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331932 (or 3331928 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 133276840 is about 11544.5588915298. The cubic root of 133276840 is about 510.8007924460.

The spelling of 133276840 in words is "one hundred thirty-three million, two hundred seventy-six thousand, eight hundred forty".