140757049 has 2 divisors, whose sum is σ = 140757050. Its totient is φ = 140757048.

The previous prime is 140757037. The next prime is 140757083. The reversal of 140757049 is 940757041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103632400 + 37124649 = 10180^2 + 6093^2 .

It is a cyclic number.

It is not a de Polignac number, because 140757049 - 2⁹ = 140756537 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 140756999 and 140757017.

It is not a weakly prime, because it can be changed into another prime (140757349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70378524 + 70378525.

It is an arithmetic number, because the mean of its divisors is an integer number (70378525).

Almost surely, 2^140757049 is an apocalyptic number.

It is an amenable number.

140757049 is a deficient number, since it is larger than the sum of its proper divisors (1).

140757049 is an equidigital number, since it uses as much as digits as its factorization.

140757049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 140757049 is about 11864.1075939154. The cubic root of 140757049 is about 520.1836740205.

The spelling of 140757049 in words is "one hundred forty million, seven hundred fifty-seven thousand, forty-nine".