140115706 has 8 divisors (see below), whose sum is σ = 212033844. Its totient is φ = 69437760.

The previous prime is 140115697. The next prime is 140115727. The reversal of 140115706 is 607511041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 127577025 + 12538681 = 11295^2 + 3541^2 .

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

It is a super-2 number, since 2×140115706² = 39264822135756872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309765 + ... + 310216.

Almost surely, 2^140115706 is an apocalyptic number.

140115706 is a deficient number, since it is larger than the sum of its proper divisors (71918138).

140115706 is a wasteful number, since it uses less digits than its factorization.

140115706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620096.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 140115706 is about 11837.0480272744. The cubic root of 140115706 is about 519.3924190620.

Adding to 140115706 its reverse (607511041), we get a palindrome (747626747).

The spelling of 140115706 in words is "one hundred forty million, one hundred fifteen thousand, seven hundred six".