131154135140420 has 24 divisors (see below), whose sum is σ = 314769924337344. Its totient is φ = 44967132048096.

The previous prime is 131154135140393. The next prime is 131154135140429. The reversal of 131154135140420 is 24041531451131.

131154135140420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (131154135140429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468407625362 + ... + 468407625641.

It is an arithmetic number, because the mean of its divisors is an integer number (13115413514056).

Almost surely, 2^{131154135140420} is an apocalyptic number.

131154135140420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131154135140420 is an abundant number, since it is smaller than the sum of its proper divisors (183615789196924).

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

131154135140420 is a wasteful number, since it uses less digits than its factorization.

131154135140420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936815251019 (or 936815251017 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 131154135140420 its reverse (24041531451131), we get a palindrome (155195666591551).

The spelling of 131154135140420 in words is "one hundred thirty-one trillion, one hundred fifty-four billion, one hundred thirty-five million, one hundred forty thousand, four hundred twenty".