140194049 has 2 divisors, whose sum is σ = 140194050. Its totient is φ = 140194048.

The previous prime is 140194013. The next prime is 140194051. The reversal of 140194049 is 940491041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97160449 + 43033600 = 9857^2 + 6560^2 .

It is a cyclic number.

It is not a de Polignac number, because 140194049 - 2⁸ = 140193793 is a prime.

Together with 140194051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140194009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70097024 + 70097025.

It is an arithmetic number, because the mean of its divisors is an integer number (70097025).

Almost surely, 2^140194049 is an apocalyptic number.

It is an amenable number.

140194049 is a deficient number, since it is larger than the sum of its proper divisors (1).

140194049 is an equidigital number, since it uses as much as digits as its factorization.

140194049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 140194049 is about 11840.3567936106. The cubic root of 140194049 is about 519.4892037837.

The spelling of 140194049 in words is "one hundred forty million, one hundred ninety-four thousand, forty-nine".