121400314135 has 4 divisors (see below), whose sum is σ = 145680376968. Its totient is φ = 97120251304.

The previous prime is 121400314081. The next prime is 121400314151. The reversal of 121400314135 is 531413004121.

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 121400314135 - 2³⁵ = 87040575767 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, 12140031409 + ... + 12140031418.

It is an arithmetic number, because the mean of its divisors is an integer number (36420094242).

Almost surely, 2^121400314135 is an apocalyptic number.

121400314135 is a deficient number, since it is larger than the sum of its proper divisors (24280062833).

121400314135 is an equidigital number, since it uses as much as digits as its factorization.

121400314135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24280062832.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 121400314135 its reverse (531413004121), we get a palindrome (652813318256).

The spelling of 121400314135 in words is "one hundred twenty-one billion, four hundred million, three hundred fourteen thousand, one hundred thirty-five".