133703172532 has 12 divisors (see below), whose sum is σ = 233999452260. Its totient is φ = 66846186176.

The previous prime is 133703172529. The next prime is 133703172569. The reversal of 133703172532 is 235271307331.

It can be written as a sum of positive squares in 2 ways, for example, as 14321866276 + 119381306256 = 119674^2 + 345516^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133703172491 and 133703172500.

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, 1294057 + ... + 1393552.

It is an arithmetic number, because the mean of its divisors is an integer number (19499954355).

Almost surely, 2^133703172532 is an apocalyptic number.

It is an amenable number.

133703172532 is a deficient number, since it is larger than the sum of its proper divisors (100296279728).

133703172532 is a wasteful number, since it uses less digits than its factorization.

133703172532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700050 (or 2700048 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 37.

Adding to 133703172532 its reverse (235271307331), we get a palindrome (368974479863).

The spelling of 133703172532 in words is "one hundred thirty-three billion, seven hundred three million, one hundred seventy-two thousand, five hundred thirty-two".