1356909098 has 16 divisors (see below), whose sum is σ = 2048399496. Its totient is φ = 674123520.

The previous prime is 1356909097. The next prime is 1356909109. The reversal of 1356909098 is 8909096531.

It can be written as a sum of positive squares in 4 ways, for example, as 1097795689 + 259113409 = 33133^2 + 16097^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1356909097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206390 + ... + 212862.

Almost surely, 2^1356909098 is an apocalyptic number.

1356909098 is a deficient number, since it is larger than the sum of its proper divisors (691490398).

1356909098 is a wasteful number, since it uses less digits than its factorization.

1356909098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7129.

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 1356909098 is about 36836.2470672570. The cubic root of 1356909098 is about 1107.0916744499.

The spelling of 1356909098 in words is "one billion, three hundred fifty-six million, nine hundred nine thousand, ninety-eight".