40138061303 has 2 divisors, whose sum is σ = 40138061304. Its totient is φ = 40138061302.

The previous prime is 40138061269. The next prime is 40138061347. The reversal of 40138061303 is 30316083104.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40138061303 is a prime.

It is a super-2 number, since 2×40138061303² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40138061603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20069030651 + 20069030652.

It is an arithmetic number, because the mean of its divisors is an integer number (20069030652).

Almost surely, 2^40138061303 is an apocalyptic number.

40138061303 is a deficient number, since it is larger than the sum of its proper divisors (1).

40138061303 is an equidigital number, since it uses as much as digits as its factorization.

40138061303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 40138061303 in words is "forty billion, one hundred thirty-eight million, sixty-one thousand, three hundred three".