135532002631 has 8 divisors (see below), whose sum is σ = 143679280464. Its totient is φ = 127404147840.

The previous prime is 135532002583. The next prime is 135532002659. The reversal of 135532002631 is 136200235531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135532002631 is a prime.

It is a super-2 number, since 2×135532002631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135532002593 and 135532002602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135532012631) 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, 4841385 + ... + 4869298.

It is an arithmetic number, because the mean of its divisors is an integer number (17959910058).

Almost surely, 2^135532002631 is an apocalyptic number.

135532002631 is a deficient number, since it is larger than the sum of its proper divisors (8147277833).

135532002631 is an equidigital number, since it uses as much as digits as its factorization.

135532002631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9711521.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 135532002631 in words is "one hundred thirty-five billion, five hundred thirty-two million, two thousand, six hundred thirty-one".