140576697 has 6 divisors (see below), whose sum is σ = 203055242. Its totient is φ = 93717792.

The previous prime is 140576641. The next prime is 140576699. The reversal of 140576697 is 796675041.

It is a happy number.

140576697 is a `hidden beast` number, since 14 + 0 + 576 + 69 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 136328976 + 4247721 = 11676^2 + 2061^2 .

It is not a de Polignac number, because 140576697 - 2²⁰ = 139528121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140576699) 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, 7809808 + ... + 7809825.

Almost surely, 2^140576697 is an apocalyptic number.

It is an amenable number.

140576697 is a deficient number, since it is larger than the sum of its proper divisors (62478545).

140576697 is a wasteful number, since it uses less digits than its factorization.

140576697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15619639 (or 15619636 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 140576697 is about 11856.5044174073. The cubic root of 140576697 is about 519.9614086252.

The spelling of 140576697 in words is "one hundred forty million, five hundred seventy-six thousand, six hundred ninety-seven".