135425061331 has 8 divisors (see below), whose sum is σ = 154787317344. Its totient is φ = 116066760000.

The previous prime is 135425061319. The next prime is 135425061347. The reversal of 135425061331 is 133160524531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135425061331 - 2¹³ = 135425053139 is a prime.

It is a super-2 number, since 2×135425061331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135425061131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914920 + ... + 1052581.

It is an arithmetic number, because the mean of its divisors is an integer number (19348414668).

Almost surely, 2^135425061331 is an apocalyptic number.

135425061331 is a deficient number, since it is larger than the sum of its proper divisors (19362256013).

135425061331 is an equidigital number, since it uses as much as digits as its factorization.

135425061331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977341.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 135425061331 its reverse (133160524531), we get a palindrome (268585585862).

The spelling of 135425061331 in words is "one hundred thirty-five billion, four hundred twenty-five million, sixty-one thousand, three hundred thirty-one".