140620706 has 16 divisors (see below), whose sum is σ = 213632160. Its totient is φ = 69413760.

The previous prime is 140620679. The next prime is 140620717. The reversal of 140620706 is 607026041.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119501 + ... + 120671.

It is an arithmetic number, because the mean of its divisors is an integer number (13352010).

Almost surely, 2^140620706 is an apocalyptic number.

140620706 is a deficient number, since it is larger than the sum of its proper divisors (73011454).

140620706 is a wasteful number, since it uses less digits than its factorization.

140620706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 140620706 is about 11858.3601733123. The cubic root of 140620706 is about 520.0156627432.

Adding to 140620706 its reverse (607026041), we get a palindrome (747646747).

The spelling of 140620706 in words is "one hundred forty million, six hundred twenty thousand, seven hundred six".