135306525771438 has 32 divisors (see below), whose sum is σ = 309948803061504. Its totient is φ = 38574414343872.

The previous prime is 135306525771413. The next prime is 135306525771467. The reversal of 135306525771438 is 834177525603531.

It is a super-2 number, since 2×135306525771438² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3524689720 + ... + 3524728107.

It is an arithmetic number, because the mean of its divisors is an integer number (9685900095672).

Almost surely, 2^{135306525771438} is an apocalyptic number.

135306525771438 is an abundant number, since it is smaller than the sum of its proper divisors (174642277290066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135306525771438 is a wasteful number, since it uses less digits than its factorization.

135306525771438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7049418296.

The product of its (nonzero) digits is 63504000, while the sum is 60.

The spelling of 135306525771438 in words is "one hundred thirty-five trillion, three hundred six billion, five hundred twenty-five million, seven hundred seventy-one thousand, four hundred thirty-eight".