1355253139 has 2 divisors, whose sum is σ = 1355253140. Its totient is φ = 1355253138.

The previous prime is 1355253113. The next prime is 1355253161. The reversal of 1355253139 is 9313525531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1355253139 - 2²³ = 1346864531 is a prime.

It is a super-2 number, since 2×1355253139² = 3673422141538706642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1355253098 and 1355253107.

It is not a weakly prime, because it can be changed into another prime (1355253169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677626569 + 677626570.

It is an arithmetic number, because the mean of its divisors is an integer number (677626570).

Almost surely, 2^1355253139 is an apocalyptic number.

1355253139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355253139 is an equidigital number, since it uses as much as digits as its factorization.

1355253139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60750, while the sum is 37.

The square root of 1355253139 is about 36813.7629019366. The cubic root of 1355253139 is about 1106.6411297252.

The spelling of 1355253139 in words is "one billion, three hundred fifty-five million, two hundred fifty-three thousand, one hundred thirty-nine".