131061340 has 24 divisors (see below), whose sum is σ = 276827040. Its totient is φ = 52120128.

The previous prime is 131061323. The next prime is 131061341. The reversal of 131061340 is 43160131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131061341) 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, 15480 + ... + 22399.

It is an arithmetic number, because the mean of its divisors is an integer number (11534460).

Almost surely, 2^131061340 is an apocalyptic number.

131061340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131061340 is an abundant number, since it is smaller than the sum of its proper divisors (145765700).

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

131061340 is a wasteful number, since it uses less digits than its factorization.

131061340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38061 (or 38059 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 131061340 is about 11448.2024789921. The cubic root of 131061340 is about 507.9545653457.

The spelling of 131061340 in words is "one hundred thirty-one million, sixty-one thousand, three hundred forty".