140131707 has 8 divisors (see below), whose sum is σ = 196676160. Its totient is φ = 88504200.

The previous prime is 140131699. The next prime is 140131721. The reversal of 140131707 is 707131041.

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

It is not a de Polignac number, because 140131707 - 2³ = 140131699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140131757) 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, 1229169 + ... + 1229282.

It is an arithmetic number, because the mean of its divisors is an integer number (24584520).

Almost surely, 2^140131707 is an apocalyptic number.

140131707 is a deficient number, since it is larger than the sum of its proper divisors (56544453).

140131707 is a wasteful number, since it uses less digits than its factorization.

140131707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458473.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 140131707 is about 11837.7238943979. The cubic root of 140131707 is about 519.4121895836.

Adding to 140131707 its reverse (707131041), we get a palindrome (847262748).

The spelling of 140131707 in words is "one hundred forty million, one hundred thirty-one thousand, seven hundred seven".