140037361 has 2 divisors, whose sum is σ = 140037362. Its totient is φ = 140037360.

The previous prime is 140037343. The next prime is 140037371. The reversal of 140037361 is 163730041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138297600 + 1739761 = 11760^2 + 1319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140037361 is a prime.

It is a super-2 number, since 2×140037361² = 39220924951688642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140037301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70018680 + 70018681.

It is an arithmetic number, because the mean of its divisors is an integer number (70018681).

Almost surely, 2^140037361 is an apocalyptic number.

It is an amenable number.

140037361 is a deficient number, since it is larger than the sum of its proper divisors (1).

140037361 is an equidigital number, since it uses as much as digits as its factorization.

140037361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 140037361 is about 11833.7382512881. The cubic root of 140037361 is about 519.2955957846.

The spelling of 140037361 in words is "one hundred forty million, thirty-seven thousand, three hundred sixty-one".