1355787954 has 12 divisors (see below), whose sum is σ = 2937540606. Its totient is φ = 451929312.

The previous prime is 1355787949. The next prime is 1355787971. The reversal of 1355787954 is 4597875531.

1355787954 is a `hidden beast` number, since 1 + 3 + 557 + 87 + 9 + 5 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1348578729 + 7209225 = 36723^2 + 2685^2 .

It is a super-2 number, since 2×1355787954² = 3676321952423012232, 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 1355787954.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37660759 + ... + 37660794.

Almost surely, 2^1355787954 is an apocalyptic number.

1355787954 is an abundant number, since it is smaller than the sum of its proper divisors (1581752652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1355787954 is a wasteful number, since it uses less digits than its factorization.

1355787954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75321561 (or 75321558 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 54.

The square root of 1355787954 is about 36821.0259770148. The cubic root of 1355787954 is about 1106.7866795179.

The spelling of 1355787954 in words is "one billion, three hundred fifty-five million, seven hundred eighty-seven thousand, nine hundred fifty-four".