134140131020 has 48 divisors (see below), whose sum is σ = 326470652928. Its totient is φ = 45343139520.

The previous prime is 134140130989. The next prime is 134140131149. The reversal of 134140131020 is 20131041431.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 134140130983 and 134140131001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6737552 + ... + 6757431.

It is an arithmetic number, because the mean of its divisors is an integer number (6801471936).

Almost surely, 2^134140131020 is an apocalyptic number.

134140131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134140131020 is an abundant number, since it is smaller than the sum of its proper divisors (192330521908).

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

134140131020 is a wasteful number, since it uses less digits than its factorization.

134140131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13495070 (or 13495068 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 134140131020 its reverse (20131041431), we get a palindrome (154271172451).

The spelling of 134140131020 in words is "one hundred thirty-four billion, one hundred forty million, one hundred thirty-one thousand, twenty".