1356741378 has 24 divisors (see below), whose sum is σ = 2955004416. Its totient is φ = 449878200.

The previous prime is 1356741367. The next prime is 1356741391. The reversal of 1356741378 is 8731476531.

1356741378 is a `hidden beast` number, since 1 + 3 + 567 + 4 + 13 + 78 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193878 + ... + 200753.

It is an arithmetic number, because the mean of its divisors is an integer number (123125184).

Almost surely, 2^1356741378 is an apocalyptic number.

1356741378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1356741378 is an abundant number, since it is smaller than the sum of its proper divisors (1598263038).

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

1356741378 is a wasteful number, since it uses less digits than its factorization.

1356741378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394830 (or 394827 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 1356741378 is about 36833.9704349124. The cubic root of 1356741378 is about 1107.0460587520.

It can be divided in two parts, 13567 and 41378, that added together give a palindrome (54945).

The spelling of 1356741378 in words is "one billion, three hundred fifty-six million, seven hundred forty-one thousand, three hundred seventy-eight".