135047050831 has 16 divisors (see below), whose sum is σ = 168402786048. Its totient is φ = 105211195200.

The previous prime is 135047050807. The next prime is 135047050891. The reversal of 135047050831 is 138050740531.

It is a cyclic number.

It is not a de Polignac number, because 135047050831 - 2¹¹ = 135047048783 is a prime.

It is a super-2 number, since 2×135047050831² (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 (135047050891) 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, 239716 + ... + 572326.

It is an arithmetic number, because the mean of its divisors is an integer number (10525174128).

Almost surely, 2^135047050831 is an apocalyptic number.

135047050831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135047050831 is a deficient number, since it is larger than the sum of its proper divisors (33355735217).

135047050831 is a wasteful number, since it uses less digits than its factorization.

135047050831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337902.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 135047050831 in words is "one hundred thirty-five billion, forty-seven million, fifty thousand, eight hundred thirty-one".