133703443747505 has 16 divisors (see below), whose sum is σ = 160478257314384. Its totient is φ = 106940007567360.

The previous prime is 133703443747457. The next prime is 133703443747541. The reversal of 133703443747505 is 505747344307331.

It can be written as a sum of positive squares in 8 ways, for example, as 41252372685601 + 92451071061904 = 6422801^2 + 9615148^2 .

It is a de Polignac number, because none of the positive numbers 2^k-133703443747505 is a prime.

It is a super-2 number, since 2×133703443747505² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466664195 + ... + 466950615.

It is an arithmetic number, because the mean of its divisors is an integer number (10029891082149).

Almost surely, 2^{133703443747505} is an apocalyptic number.

It is an amenable number.

133703443747505 is a deficient number, since it is larger than the sum of its proper divisors (26774813566879).

133703443747505 is a wasteful number, since it uses less digits than its factorization.

133703443747505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305956.

The product of its (nonzero) digits is 44452800, while the sum is 56.

The spelling of 133703443747505 in words is "one hundred thirty-three trillion, seven hundred three billion, four hundred forty-three million, seven hundred forty-seven thousand, five hundred five".