140131000 has 64 divisors (see below), whose sum is σ = 347237280. Its totient is φ = 52748800.

The previous prime is 140130967. The next prime is 140131009. The reversal of 140131000 is 131041.

It is a happy number.

It is a super-2 number, since 2×140131000² = 39273394322000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140131009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12879 + ... + 21121.

Almost surely, 2^140131000 is an apocalyptic number.

140131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173618640).

140131000 is an abundant number, since it is smaller than the sum of its proper divisors (207106280).

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

140131000 is a wasteful number, since it uses less digits than its factorization.

140131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281 (or 8267 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 140131000 is about 11837.6940322007. The cubic root of 140131000 is about 519.4113160600.

Adding to 140131000 its reverse (131041), we get a palindrome (140262041).

The spelling of 140131000 in words is "one hundred forty million, one hundred thirty-one thousand".