131535018448 has 10 divisors (see below), whose sum is σ = 254849098274. Its totient is φ = 65767509216.

The previous prime is 131535018437. The next prime is 131535018451. The reversal of 131535018448 is 844810535131.

It can be written as a sum of positive squares in only one way, i.e., 87907506064 + 43627512384 = 296492^2 + 208872^2 .

It is a super-2 number, since 2×131535018448² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4110469311 + ... + 4110469342.

Almost surely, 2^131535018448 is an apocalyptic number.

It is an amenable number.

131535018448 is a deficient number, since it is larger than the sum of its proper divisors (123314079826).

131535018448 is an equidigital number, since it uses as much as digits as its factorization.

131535018448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8220938661 (or 8220938655 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 131535018448 in words is "one hundred thirty-one billion, five hundred thirty-five million, eighteen thousand, four hundred forty-eight".