140148328 has 8 divisors (see below), whose sum is σ = 262778130. Its totient is φ = 70074160.

The previous prime is 140148317. The next prime is 140148331. The reversal of 140148328 is 823841041.

140148328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 136843204 + 3305124 = 11698^2 + 1818^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 140148328.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8759263 + ... + 8759278.

Almost surely, 2^140148328 is an apocalyptic number.

It is an amenable number.

140148328 is a deficient number, since it is larger than the sum of its proper divisors (122629802).

140148328 is a wasteful number, since it uses less digits than its factorization.

140148328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17518547 (or 17518543 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 140148328 is about 11838.4259088783. The cubic root of 140148328 is about 519.4327245714.

Adding to 140148328 its reverse (823841041), we get a palindrome (963989369).

It can be divided in two parts, 1401 and 48328, that added together give a square (49729 = 223²).

The spelling of 140148328 in words is "one hundred forty million, one hundred forty-eight thousand, three hundred twenty-eight".