131402613240 has 192 divisors, whose sum is σ = 430349643360. Its totient is φ = 34771276800.

The previous prime is 131402613203. The next prime is 131402613253. The reversal of 131402613240 is 42316204131.

It is a happy number.

131402613240 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 0 + 2 + 613 + 2 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73531627 + ... + 73533413.

Almost surely, 2^131402613240 is an apocalyptic number.

131402613240 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 131402613240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215174821680).

131402613240 is an abundant number, since it is smaller than the sum of its proper divisors (298947030120).

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

131402613240 is a wasteful number, since it uses less digits than its factorization.

131402613240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262 (or 3255 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 131402613240 its reverse (42316204131), we get a palindrome (173718817371).

The spelling of 131402613240 in words is "one hundred thirty-one billion, four hundred two million, six hundred thirteen thousand, two hundred forty".