131503136370 has 128 divisors (see below), whose sum is σ = 346174456320. Its totient is φ = 31837470720.

The previous prime is 131503136363. The next prime is 131503136383. The reversal of 131503136370 is 73631305131.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1825659 + ... + 1896321.

It is an arithmetic number, because the mean of its divisors is an integer number (2704487940).

Almost surely, 2^131503136370 is an apocalyptic number.

131503136370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131503136370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173087228160).

131503136370 is an abundant number, since it is smaller than the sum of its proper divisors (214671319950).

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

131503136370 is a wasteful number, since it uses less digits than its factorization.

131503136370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70820.

The product of its (nonzero) digits is 17010, while the sum is 33.

The spelling of 131503136370 in words is "one hundred thirty-one billion, five hundred three million, one hundred thirty-six thousand, three hundred seventy".