140984149 has 2 divisors, whose sum is σ = 140984150. Its totient is φ = 140984148.

The previous prime is 140984141. The next prime is 140984153. The reversal of 140984149 is 941489041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75082225 + 65901924 = 8665^2 + 8118^2 .

It is a cyclic number.

It is not a de Polignac number, because 140984149 - 2³ = 140984141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140984141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70492074 + 70492075.

It is an arithmetic number, because the mean of its divisors is an integer number (70492075).

Almost surely, 2^140984149 is an apocalyptic number.

It is an amenable number.

140984149 is a deficient number, since it is larger than the sum of its proper divisors (1).

140984149 is an equidigital number, since it uses as much as digits as its factorization.

140984149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 140984149 is about 11873.6746207735. The cubic root of 140984149 is about 520.4632816543.

It can be divided in two parts, 1409 and 84149, that added together give a palindrome (85558).

The spelling of 140984149 in words is "one hundred forty million, nine hundred eighty-four thousand, one hundred forty-nine".