135253166131506 has 16 divisors (see below), whose sum is σ = 271187708419584. Its totient is φ = 44970826017744.

The previous prime is 135253166131487. The next prime is 135253166131549. The reversal of 135253166131506 is 605131661352531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28390670610 + ... + 28390675373.

It is an arithmetic number, because the mean of its divisors is an integer number (16949231776224).

Almost surely, 2^{135253166131506} is an apocalyptic number.

135253166131506 is an abundant number, since it is smaller than the sum of its proper divisors (135934542288078).

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

135253166131506 is a wasteful number, since it uses less digits than its factorization.

135253166131506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56781346385.

The product of its (nonzero) digits is 1458000, while the sum is 48.

The spelling of 135253166131506 in words is "one hundred thirty-five trillion, two hundred fifty-three billion, one hundred sixty-six million, one hundred thirty-one thousand, five hundred six".