135252515124010 has 32 divisors (see below), whose sum is σ = 250035294534480. Its totient is φ = 52638624018432.

The previous prime is 135252515123977. The next prime is 135252515124011. The reversal of 135252515124010 is 10421515252531.

It can be written as a sum of positive squares in 8 ways, for example, as 87680057520169 + 47572457603841 = 9363763^2 + 6897279^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (135252515124011) 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, 141080202 + ... + 142035658.

Almost surely, 2^{135252515124010} is an apocalyptic number.

135252515124010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135252515124010 is a deficient number, since it is larger than the sum of its proper divisors (114782779410470).

135252515124010 is a wasteful number, since it uses less digits than its factorization.

135252515124010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338090.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 135252515124010 in words is "one hundred thirty-five trillion, two hundred fifty-two billion, five hundred fifteen million, one hundred twenty-four thousand, ten".