140969601 has 6 divisors (see below), whose sum is σ = 203622770. Its totient is φ = 93979728.

The previous prime is 140969581. The next prime is 140969623. The reversal of 140969601 is 106969041.

140969601 is a `hidden beast` number, since 1 + 40 + 9 + 6 + 9 + 601 = 666.

It can be written as a sum of positive squares in only one way, i.e., 70812225 + 70157376 = 8415^2 + 8376^2 .

It is not a de Polignac number, because 140969601 - 2¹³ = 140961409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140969641) 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, 7831636 + ... + 7831653.

Almost surely, 2^140969601 is an apocalyptic number.

It is an amenable number.

140969601 is a deficient number, since it is larger than the sum of its proper divisors (62653169).

140969601 is a wasteful number, since it uses less digits than its factorization.

140969601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15663295 (or 15663292 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 140969601 is about 11873.0619892259. The cubic root of 140969601 is about 520.4453790264.

The spelling of 140969601 in words is "one hundred forty million, nine hundred sixty-nine thousand, six hundred one".