135251120445 has 16 divisors (see below), whose sum is σ = 247316334720. Its totient is φ = 61829083584.

The previous prime is 135251120443. The next prime is 135251120447. The reversal of 135251120445 is 544021152531.

It is an interprime number because it is at equal distance from previous prime (135251120443) and next prime (135251120447).

It is not a de Polignac number, because 135251120445 - 2¹ = 135251120443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135251120443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644052850 + ... + 644053059.

It is an arithmetic number, because the mean of its divisors is an integer number (15457270920).

Almost surely, 2^135251120445 is an apocalyptic number.

135251120445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135251120445 is a deficient number, since it is larger than the sum of its proper divisors (112065214275).

135251120445 is a wasteful number, since it uses less digits than its factorization.

135251120445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288105924.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 135251120445 its reverse (544021152531), we get a palindrome (679272272976).

The spelling of 135251120445 in words is "one hundred thirty-five billion, two hundred fifty-one million, one hundred twenty thousand, four hundred forty-five".