135398337801 has 4 divisors (see below), whose sum is σ = 180531117072. Its totient is φ = 90265558532.

The previous prime is 135398337799. The next prime is 135398337821. The reversal of 135398337801 is 108733893531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135398337801 - 2¹ = 135398337799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135398337821) 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, 22566389631 + ... + 22566389636.

It is an arithmetic number, because the mean of its divisors is an integer number (45132779268).

Almost surely, 2^135398337801 is an apocalyptic number.

It is an amenable number.

135398337801 is a deficient number, since it is larger than the sum of its proper divisors (45132779271).

135398337801 is an equidigital number, since it uses as much as digits as its factorization.

135398337801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45132779270.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 135398337801 in words is "one hundred thirty-five billion, three hundred ninety-eight million, three hundred thirty-seven thousand, eight hundred one".