135246022151 has 4 divisors (see below), whose sum is σ = 135672666072. Its totient is φ = 134819378232.

The previous prime is 135246022139. The next prime is 135246022169. The reversal of 135246022151 is 151220642531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135246022151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135246022181) 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, 213321485 + ... + 213322118.

It is an arithmetic number, because the mean of its divisors is an integer number (33918166518).

Almost surely, 2^135246022151 is an apocalyptic number.

135246022151 is a deficient number, since it is larger than the sum of its proper divisors (426643921).

135246022151 is an equidigital number, since it uses as much as digits as its factorization.

135246022151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426643920.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 135246022151 its reverse (151220642531), we get a palindrome (286466664682).

The spelling of 135246022151 in words is "one hundred thirty-five billion, two hundred forty-six million, twenty-two thousand, one hundred fifty-one".