131224135154 has 8 divisors (see below), whose sum is σ = 224955660288. Its totient is φ = 56238915060.

The previous prime is 131224135111. The next prime is 131224135157. The reversal of 131224135154 is 451531422131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 131224135154.

It is not an unprimeable number, because it can be changed into a prime (131224135157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4686576242 + ... + 4686576269.

It is an arithmetic number, because the mean of its divisors is an integer number (28119457536).

Almost surely, 2^131224135154 is an apocalyptic number.

131224135154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131224135154 is a deficient number, since it is larger than the sum of its proper divisors (93731525134).

131224135154 is an equidigital number, since it uses as much as digits as its factorization.

131224135154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9373152520.

The product of its digits is 14400, while the sum is 32.

Adding to 131224135154 its reverse (451531422131), we get a palindrome (582755557285).

The spelling of 131224135154 in words is "one hundred thirty-one billion, two hundred twenty-four million, one hundred thirty-five thousand, one hundred fifty-four".