1342205149 has 2 divisors, whose sum is σ = 1342205150. Its totient is φ = 1342205148.

The previous prime is 1342205113. The next prime is 1342205153. The reversal of 1342205149 is 9415022431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 702621049 + 639584100 = 26507^2 + 25290^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342205149 - 2¹⁷ = 1342074077 is a prime.

It is a super-2 number, since 2×1342205149² = 3603029324004224402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1342205149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342205159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671102574 + 671102575.

It is an arithmetic number, because the mean of its divisors is an integer number (671102575).

Almost surely, 2^1342205149 is an apocalyptic number.

It is an amenable number.

1342205149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342205149 is an equidigital number, since it uses as much as digits as its factorization.

1342205149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1342205149 is about 36636.1180940339. The cubic root of 1342205149 is about 1103.0781959710.

The spelling of 1342205149 in words is "one billion, three hundred forty-two million, two hundred five thousand, one hundred forty-nine".