131455010640 has 160 divisors (see below), whose sum is σ = 417726406656. Its totient is φ = 34181429760.

The previous prime is 131455010591. The next prime is 131455010651. The reversal of 131455010640 is 46010554131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 131455010598 and 131455010607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3035379 + ... + 3078381.

Almost surely, 2^131455010640 is an apocalyptic number.

131455010640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131455010640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208863203328).

131455010640 is an abundant number, since it is smaller than the sum of its proper divisors (286271396016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131455010640 is a wasteful number, since it uses less digits than its factorization.

131455010640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43337 (or 43331 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 131455010640 its reverse (46010554131), we get a palindrome (177465564771).

The spelling of 131455010640 in words is "one hundred thirty-one billion, four hundred fifty-five million, ten thousand, six hundred forty".