140616523 has 2 divisors, whose sum is σ = 140616524. Its totient is φ = 140616522.

The previous prime is 140616517. The next prime is 140616551. The reversal of 140616523 is 325616041.

It is an a-pointer prime, because the next prime (140616551) can be obtained adding 140616523 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140616523 - 2⁹ = 140616011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140616491 and 140616500.

It is not a weakly prime, because it can be changed into another prime (140616023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70308261 + 70308262.

It is an arithmetic number, because the mean of its divisors is an integer number (70308262).

Almost surely, 2^140616523 is an apocalyptic number.

140616523 is a deficient number, since it is larger than the sum of its proper divisors (1).

140616523 is an equidigital number, since it uses as much as digits as its factorization.

140616523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 140616523 is about 11858.1837985418. The cubic root of 140616523 is about 520.0105064445.

The spelling of 140616523 in words is "one hundred forty million, six hundred sixteen thousand, five hundred twenty-three".