133461399547 has 24 divisors (see below), whose sum is σ = 157757925888. Its totient is φ = 110598791760.

The previous prime is 133461399541. The next prime is 133461399557. The reversal of 133461399547 is 745993164331.

It is a de Polignac number, because none of the positive numbers 2^k-133461399547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133461399541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7410888 + ... + 7428874.

It is an arithmetic number, because the mean of its divisors is an integer number (6573246912).

Almost surely, 2^133461399547 is an apocalyptic number.

133461399547 is a deficient number, since it is larger than the sum of its proper divisors (24296526341).

133461399547 is a wasteful number, since it uses less digits than its factorization.

133461399547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19159 (or 19128 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 55.

The spelling of 133461399547 in words is "one hundred thirty-three billion, four hundred sixty-one million, three hundred ninety-nine thousand, five hundred forty-seven".