131382020146 has 8 divisors (see below), whose sum is σ = 212232494124. Its totient is φ = 60637855440.

The previous prime is 131382020101. The next prime is 131382020171. The reversal of 131382020146 is 641020283131.

It can be written as a sum of positive squares in 2 ways, for example, as 126017190121 + 5364830025 = 354989^2 + 73245^2 .

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

It is a super-2 number, since 2×131382020146² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2526577285 + ... + 2526577336.

Almost surely, 2^131382020146 is an apocalyptic number.

131382020146 is a deficient number, since it is larger than the sum of its proper divisors (80850473978).

131382020146 is a wasteful number, since it uses less digits than its factorization.

131382020146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053154636.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 131382020146 in words is "one hundred thirty-one billion, three hundred eighty-two million, twenty thousand, one hundred forty-six".