135292017381 has 4 divisors (see below), whose sum is σ = 180389356512. Its totient is φ = 90194678252.

The previous prime is 135292017373. The next prime is 135292017383. The reversal of 135292017381 is 183710292531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135292017381 - 2³ = 135292017373 is a prime.

It is a super-2 number, since 2×135292017381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135292017383) 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, 22548669561 + ... + 22548669566.

It is an arithmetic number, because the mean of its divisors is an integer number (45097339128).

Almost surely, 2^135292017381 is an apocalyptic number.

It is an amenable number.

135292017381 is a deficient number, since it is larger than the sum of its proper divisors (45097339131).

135292017381 is an equidigital number, since it uses as much as digits as its factorization.

135292017381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45097339130.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 135292017381 in words is "one hundred thirty-five billion, two hundred ninety-two million, seventeen thousand, three hundred eighty-one".