133046290 has 32 divisors (see below), whose sum is σ = 260484336. Its totient is φ = 48633600.

The previous prime is 133046273. The next prime is 133046297. The reversal of 133046290 is 92640331.

It can be written as a sum of positive squares in 8 ways, for example, as 91068849 + 41977441 = 9543^2 + 6479^2 .

It is not an unprimeable number, because it can be changed into a prime (133046297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8064 + ... + 18196.

Almost surely, 2^133046290 is an apocalyptic number.

133046290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133046290 is a deficient number, since it is larger than the sum of its proper divisors (127438046).

133046290 is a wasteful number, since it uses less digits than its factorization.

133046290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10254.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 133046290 is about 11534.5693461004. The cubic root of 133046290 is about 510.5060848442.

The spelling of 133046290 in words is "one hundred thirty-three million, forty-six thousand, two hundred ninety".