140794148 has 18 divisors (see below), whose sum is σ = 270826038. Its totient is φ = 63997120.

The previous prime is 140794141. The next prime is 140794163. The reversal of 140794148 is 841497041.

It can be written as a sum of positive squares in only one way, i.e., 111978724 + 28815424 = 10582^2 + 5368^2 .

It is a super-2 number, since 2×140794148² = 39645984222091808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140794141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144965 + ... + 145932.

It is an arithmetic number, because the mean of its divisors is an integer number (15045891).

Almost surely, 2^140794148 is an apocalyptic number.

It is an amenable number.

140794148 is a deficient number, since it is larger than the sum of its proper divisors (130031890).

140794148 is a wasteful number, since it uses less digits than its factorization.

140794148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290923 (or 290910 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 140794148 is about 11865.6709881911. The cubic root of 140794148 is about 520.2293711964.

The spelling of 140794148 in words is "one hundred forty million, seven hundred ninety-four thousand, one hundred forty-eight".