140874089 has 2 divisors, whose sum is σ = 140874090. Its totient is φ = 140874088.

The previous prime is 140874079. The next prime is 140874119. The reversal of 140874089 is 980478041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140825689 + 48400 = 11867^2 + 220^2 .

It is an emirp because it is prime and its reverse (980478041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140874089 - 2²⁰ = 139825513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140874029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70437044 + 70437045.

It is an arithmetic number, because the mean of its divisors is an integer number (70437045).

Almost surely, 2^140874089 is an apocalyptic number.

It is an amenable number.

140874089 is a deficient number, since it is larger than the sum of its proper divisors (1).

140874089 is an equidigital number, since it uses as much as digits as its factorization.

140874089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 140874089 is about 11869.0390933723. The cubic root of 140874089 is about 520.3278122852.

The spelling of 140874089 in words is "one hundred forty million, eight hundred seventy-four thousand, eighty-nine".