139773353 has 2 divisors, whose sum is σ = 139773354. Its totient is φ = 139773352.

The previous prime is 139773341. The next prime is 139773373. The reversal of 139773353 is 353377931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122699929 + 17073424 = 11077^2 + 4132^2 .

It is a cyclic number.

It is not a de Polignac number, because 139773353 - 2⁶ = 139773289 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139773353.

It is not a weakly prime, because it can be changed into another prime (139773313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69886676 + 69886677.

It is an arithmetic number, because the mean of its divisors is an integer number (69886677).

Almost surely, 2^139773353 is an apocalyptic number.

It is an amenable number.

139773353 is a deficient number, since it is larger than the sum of its proper divisors (1).

139773353 is an equidigital number, since it uses as much as digits as its factorization.

139773353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 178605, while the sum is 41.

The square root of 139773353 is about 11822.5781029351. The cubic root of 139773353 is about 518.9690533137.

The spelling of 139773353 in words is "one hundred thirty-nine million, seven hundred seventy-three thousand, three hundred fifty-three".