133483870 has 16 divisors (see below), whose sum is σ = 258753600. Its totient is φ = 49286304.

The previous prime is 133483853. The next prime is 133483877. The reversal of 133483870 is 78384331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133483877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513270 + ... + 513529.

It is an arithmetic number, because the mean of its divisors is an integer number (16172100).

Almost surely, 2^133483870 is an apocalyptic number.

133483870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133483870 is a deficient number, since it is larger than the sum of its proper divisors (125269730).

133483870 is a wasteful number, since it uses less digits than its factorization.

133483870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026819.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 133483870 is about 11553.5219738398. The cubic root of 133483870 is about 511.0651453972.

The spelling of 133483870 in words is "one hundred thirty-three million, four hundred eighty-three thousand, eight hundred seventy".