131778736857010 has 32 divisors (see below), whose sum is σ = 237661887601152. Its totient is φ = 52609240844160.

The previous prime is 131778736856969. The next prime is 131778736857011. The reversal of 131778736857010 is 10758637877131.

It is a super-2 number, since 2×131778736857010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131778736857011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283207167 + ... + 283672093.

It is an arithmetic number, because the mean of its divisors is an integer number (7426933987536).

Almost surely, 2^{131778736857010} is an apocalyptic number.

131778736857010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131778736857010 is a deficient number, since it is larger than the sum of its proper divisors (105883150744142).

131778736857010 is a wasteful number, since it uses less digits than its factorization.

131778736857010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519858.

The product of its (nonzero) digits is 41489280, while the sum is 64.

The spelling of 131778736857010 in words is "one hundred thirty-one trillion, seven hundred seventy-eight billion, seven hundred thirty-six million, eight hundred fifty-seven thousand, ten".