140913841 has 2 divisors, whose sum is σ = 140913842. Its totient is φ = 140913840.

The previous prime is 140913811. The next prime is 140913853. The reversal of 140913841 is 148319041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135489600 + 5424241 = 11640^2 + 2329^2 .

It is a cyclic number.

It is not a de Polignac number, because 140913841 - 2¹³ = 140905649 is a prime.

It is a super-3 number, since 3×140913841³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (140913811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70456920 + 70456921.

It is an arithmetic number, because the mean of its divisors is an integer number (70456921).

Almost surely, 2^140913841 is an apocalyptic number.

It is an amenable number.

140913841 is a deficient number, since it is larger than the sum of its proper divisors (1).

140913841 is an equidigital number, since it uses as much as digits as its factorization.

140913841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 140913841 is about 11870.7135842796. The cubic root of 140913841 is about 520.3767499006.

The spelling of 140913841 in words is "one hundred forty million, nine hundred thirteen thousand, eight hundred forty-one".