135160061531 has 32 divisors (see below), whose sum is σ = 157981777920. Its totient is φ = 114343488000.

The previous prime is 135160061527. The next prime is 135160061537.

135160061531 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 135160061531 - 2² = 135160061527 is a prime.

It is a super-2 number, since 2×135160061531² (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 (135160061537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2655635 + ... + 2706051.

It is an arithmetic number, because the mean of its divisors is an integer number (4936930560).

Almost surely, 2^135160061531 is an apocalyptic number.

135160061531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135160061531 is a deficient number, since it is larger than the sum of its proper divisors (22821716389).

135160061531 is a wasteful number, since it uses less digits than its factorization.

135160061531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50675.

The product of its (nonzero) digits is 8100, while the sum is 32.

The spelling of 135160061531 in words is "one hundred thirty-five billion, one hundred sixty million, sixty-one thousand, five hundred thirty-one".