133400440135 has 4 divisors (see below), whose sum is σ = 160080528168. Its totient is φ = 106720352104.

The previous prime is 133400440091. The next prime is 133400440153. The reversal of 133400440135 is 531044004331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133400440135 - 2²¹ = 133398342983 is a prime.

It is a Duffinian number.

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, 13340044009 + ... + 13340044018.

It is an arithmetic number, because the mean of its divisors is an integer number (40020132042).

Almost surely, 2^133400440135 is an apocalyptic number.

133400440135 is a deficient number, since it is larger than the sum of its proper divisors (26680088033).

133400440135 is an equidigital number, since it uses as much as digits as its factorization.

133400440135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26680088032.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 133400440135 its reverse (531044004331), we get a palindrome (664444444466).

The spelling of 133400440135 in words is "one hundred thirty-three billion, four hundred million, four hundred forty thousand, one hundred thirty-five".