135580537438 has 8 divisors (see below), whose sum is σ = 203465271888. Its totient is φ = 67758780144.

The previous prime is 135580537423. The next prime is 135580537441. The reversal of 135580537438 is 834735085531.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15738906 + ... + 15747517.

It is an arithmetic number, because the mean of its divisors is an integer number (25433158986).

Almost surely, 2^135580537438 is an apocalyptic number.

135580537438 is a deficient number, since it is larger than the sum of its proper divisors (67884734450).

135580537438 is a wasteful number, since it uses less digits than its factorization.

135580537438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31488578.

The product of its (nonzero) digits is 6048000, while the sum is 52.

The spelling of 135580537438 in words is "one hundred thirty-five billion, five hundred eighty million, five hundred thirty-seven thousand, four hundred thirty-eight".