133397335695 has 128 divisors (see below), whose sum is σ = 247835750400. Its totient is φ = 60711026688.

The previous prime is 133397335681. The next prime is 133397335777. The reversal of 133397335695 is 596533793331.

It is a Cunningham number, because it is equal to 365236²-1.

It is not a de Polignac number, because 133397335695 - 2⁴ = 133397335679 is a prime.

It is a super-2 number, since 2×133397335695² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 71220279 + ... + 71222151.

It is an arithmetic number, because the mean of its divisors is an integer number (1936216800).

Almost surely, 2^133397335695 is an apocalyptic number.

133397335695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133397335695 is a deficient number, since it is larger than the sum of its proper divisors (114438414705).

133397335695 is a wasteful number, since it uses less digits than its factorization.

133397335695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369.

The product of its digits is 20667150, while the sum is 57.

The spelling of 133397335695 in words is "one hundred thirty-three billion, three hundred ninety-seven million, three hundred thirty-five thousand, six hundred ninety-five".