135731041648 has 10 divisors (see below), whose sum is σ = 262978893224. Its totient is φ = 67865520816.

The previous prime is 135731041643. The next prime is 135731041709. The reversal of 135731041648 is 846140137531.

It is a super-2 number, since 2×135731041648² (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 (135731041643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4241595036 + ... + 4241595067.

Almost surely, 2^135731041648 is an apocalyptic number.

It is an amenable number.

135731041648 is a deficient number, since it is larger than the sum of its proper divisors (127247851576).

135731041648 is an equidigital number, since it uses as much as digits as its factorization.

135731041648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8483190111 (or 8483190105 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 135731041648 in words is "one hundred thirty-five billion, seven hundred thirty-one million, forty-one thousand, six hundred forty-eight".