133674041405 has 4 divisors (see below), whose sum is σ = 160408849692. Its totient is φ = 106939233120.

The previous prime is 133674041401. The next prime is 133674041429. The reversal of 133674041405 is 504140476331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504140476331 = 21011 ⋅23994121.

It can be written as a sum of positive squares in 2 ways, for example, as 103794153241 + 29879888164 = 322171^2 + 172858^2 .

It is not a de Polignac number, because 133674041405 - 2² = 133674041401 is a prime.

It is a super-3 number, since 3×133674041405³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133674041401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13367404136 + ... + 13367404145.

It is an arithmetic number, because the mean of its divisors is an integer number (40102212423).

Almost surely, 2^133674041405 is an apocalyptic number.

It is an amenable number.

133674041405 is a deficient number, since it is larger than the sum of its proper divisors (26734808287).

133674041405 is an equidigital number, since it uses as much as digits as its factorization.

133674041405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26734808286.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 133674041405 in words is "one hundred thirty-three billion, six hundred seventy-four million, forty-one thousand, four hundred five".