133437547725 has 24 divisors (see below), whose sum is σ = 221430863232. Its totient is φ = 70904073600.

The previous prime is 133437547717. The next prime is 133437547741. The reversal of 133437547725 is 527745734331.

It is not a de Polignac number, because 133437547725 - 2³ = 133437547717 is a prime.

It is a congruent number.

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, 3262272 + ... + 3302921.

It is an arithmetic number, because the mean of its divisors is an integer number (9226285968).

Almost surely, 2^133437547725 is an apocalyptic number.

133437547725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133437547725 is a deficient number, since it is larger than the sum of its proper divisors (87993315507).

133437547725 is a wasteful number, since it uses less digits than its factorization.

133437547725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565477 (or 6565472 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 51.

The spelling of 133437547725 in words is "one hundred thirty-three billion, four hundred thirty-seven million, five hundred forty-seven thousand, seven hundred twenty-five".