133511473450 has 48 divisors (see below), whose sum is σ = 251013934080. Its totient is φ = 52830792000.

The previous prime is 133511473439. The next prime is 133511473463. The reversal of 133511473450 is 54374115331.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1689931 + ... + 1767169.

It is an arithmetic number, because the mean of its divisors is an integer number (5229456960).

Almost surely, 2^133511473450 is an apocalyptic number.

133511473450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133511473450 is a deficient number, since it is larger than the sum of its proper divisors (117502460630).

133511473450 is a wasteful number, since it uses less digits than its factorization.

133511473450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77623 (or 77618 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

Adding to 133511473450 its reverse (54374115331), we get a palindrome (187885588781).

The spelling of 133511473450 in words is "one hundred thirty-three billion, five hundred eleven million, four hundred seventy-three thousand, four hundred fifty".