140148846 has 16 divisors (see below), whose sum is σ = 311442000. Its totient is φ = 46716264.

The previous prime is 140148839. The next prime is 140148847. The reversal of 140148846 is 648841041.

It is a self number, because there is not a number n which added to its sum of digits gives 140148846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140148847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297621 + ... + 1297728.

It is an arithmetic number, because the mean of its divisors is an integer number (19465125).

Almost surely, 2^140148846 is an apocalyptic number.

140148846 is an abundant number, since it is smaller than the sum of its proper divisors (171293154).

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

140148846 is a wasteful number, since it uses less digits than its factorization.

140148846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595360 (or 2595354 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 140148846 is about 11838.4477867666. The cubic root of 140148846 is about 519.4333645263.

Adding to 140148846 its reverse (648841041), we get a palindrome (788989887).

The spelling of 140148846 in words is "one hundred forty million, one hundred forty-eight thousand, eight hundred forty-six".