140155891919 has 2 divisors, whose sum is σ = 140155891920. Its totient is φ = 140155891918.

The previous prime is 140155891807. The next prime is 140155891957. The reversal of 140155891919 is 919198551041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140155891919 - 2³² = 135860924623 is a prime.

It is a super-2 number, since 2×140155891919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140155893919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70077945959 + 70077945960.

It is an arithmetic number, because the mean of its divisors is an integer number (70077945960).

Almost surely, 2^140155891919 is an apocalyptic number.

140155891919 is a deficient number, since it is larger than the sum of its proper divisors (1).

140155891919 is an equidigital number, since it uses as much as digits as its factorization.

140155891919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 53.

The spelling of 140155891919 in words is "one hundred forty billion, one hundred fifty-five million, eight hundred ninety-one thousand, nine hundred nineteen".