1355997254 has 16 divisors (see below), whose sum is σ = 2105161920. Its totient is φ = 654299520.

The previous prime is 1355997233. The next prime is 1355997277. The reversal of 1355997254 is 4527995531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150542 + ... + 159294.

It is an arithmetic number, because the mean of its divisors is an integer number (131572620).

Almost surely, 2^1355997254 is an apocalyptic number.

1355997254 is a deficient number, since it is larger than the sum of its proper divisors (749164666).

1355997254 is a wasteful number, since it uses less digits than its factorization.

1355997254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11455.

The product of its digits is 1701000, while the sum is 50.

The square root of 1355997254 is about 36823.8679934632. The cubic root of 1355997254 is about 1106.8436300491.

The spelling of 1355997254 in words is "one billion, three hundred fifty-five million, nine hundred ninety-seven thousand, two hundred fifty-four".