140146936 has 8 divisors (see below), whose sum is σ = 262775520. Its totient is φ = 70073464.

The previous prime is 140146931. The next prime is 140146943. The reversal of 140146936 is 639641041.

140146936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140146931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8759176 + ... + 8759191.

It is an arithmetic number, because the mean of its divisors is an integer number (32846940).

Almost surely, 2^140146936 is an apocalyptic number.

It is an amenable number.

140146936 is a deficient number, since it is larger than the sum of its proper divisors (122628584).

140146936 is a wasteful number, since it uses less digits than its factorization.

140146936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17518373 (or 17518369 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 140146936 is about 11838.3671171323. The cubic root of 140146936 is about 519.4310048393.

Adding to 140146936 its reverse (639641041), we get a palindrome (779787977).

The spelling of 140146936 in words is "one hundred forty million, one hundred forty-six thousand, nine hundred thirty-six".