133768870 has 8 divisors (see below), whose sum is σ = 240783984. Its totient is φ = 53507544.

The previous prime is 133768853. The next prime is 133768889. The reversal of 133768870 is 78867331.

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

It is a super-2 number, since 2×133768870² = 35788221162153800, which contains 22 as substring.

It is a congruent number.

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, 6688434 + ... + 6688453.

It is an arithmetic number, because the mean of its divisors is an integer number (30097998).

Almost surely, 2^133768870 is an apocalyptic number.

133768870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133768870 is a deficient number, since it is larger than the sum of its proper divisors (107015114).

133768870 is a wasteful number, since it uses less digits than its factorization.

133768870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13376894.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 133768870 is about 11565.8492986897. The cubic root of 133768870 is about 511.4286101067.

It can be divided in two parts, 1337 and 68870, that added together give a palindrome (70207).

The spelling of 133768870 in words is "one hundred thirty-three million, seven hundred sixty-eight thousand, eight hundred seventy".