133801490 has 8 divisors (see below), whose sum is σ = 240842700. Its totient is φ = 53520592.

The previous prime is 133801489. The next prime is 133801517. The reversal of 133801490 is 94108331.

It can be written as a sum of positive squares in 2 ways, for example, as 114939841 + 18861649 = 10721^2 + 4343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6690065 + ... + 6690084.

Almost surely, 2^133801490 is an apocalyptic number.

133801490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133801490 is a deficient number, since it is larger than the sum of its proper divisors (107041210).

133801490 is a wasteful number, since it uses less digits than its factorization.

133801490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13380156.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 133801490 is about 11567.2593988377. The cubic root of 133801490 is about 511.4701779378.

The spelling of 133801490 in words is "one hundred thirty-three million, eight hundred one thousand, four hundred ninety".