140050949 has 2 divisors, whose sum is σ = 140050950. Its totient is φ = 140050948.

The previous prime is 140050931. The next prime is 140050951. The reversal of 140050949 is 949050041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125664100 + 14386849 = 11210^2 + 3793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140050949 is a prime.

It is a super-2 number, since 2×140050949² = 39228536631601202, which contains 22 as substring.

Together with 140050951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140050969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70025474 + 70025475.

It is an arithmetic number, because the mean of its divisors is an integer number (70025475).

Almost surely, 2^140050949 is an apocalyptic number.

It is an amenable number.

140050949 is a deficient number, since it is larger than the sum of its proper divisors (1).

140050949 is an equidigital number, since it uses as much as digits as its factorization.

140050949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 140050949 is about 11834.3123585614. The cubic root of 140050949 is about 519.3123912081.

The spelling of 140050949 in words is "one hundred forty million, fifty thousand, nine hundred forty-nine".