135403652587 has 8 divisors (see below), whose sum is σ = 154823769056. Its totient is φ = 116002720512.

The previous prime is 135403652561. The next prime is 135403652599. The reversal of 135403652587 is 785256304531.

It is a happy number.

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

It is not a de Polignac number, because 135403652587 - 2³⁵ = 101043914219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135403652587.

It is not an unprimeable number, because it can be changed into a prime (135403656587) 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, 4780968 + ... + 4809205.

It is an arithmetic number, because the mean of its divisors is an integer number (19352971132).

Almost surely, 2^135403652587 is an apocalyptic number.

135403652587 is a deficient number, since it is larger than the sum of its proper divisors (19420116469).

135403652587 is an equidigital number, since it uses as much as digits as its factorization.

135403652587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9592197.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 135403652587 in words is "one hundred thirty-five billion, four hundred three million, six hundred fifty-two thousand, five hundred eighty-seven".