1355601378 has 8 divisors (see below), whose sum is σ = 2711202768. Its totient is φ = 451867124.

The previous prime is 1355601371. The next prime is 1355601389. The reversal of 1355601378 is 8731065531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1355601378 is an admirable number.

It is a super-3 number, since 3×1355601378³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1355601371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112966776 + ... + 112966787.

It is an arithmetic number, because the mean of its divisors is an integer number (338900346).

Almost surely, 2^1355601378 is an apocalyptic number.

1355601378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1355601378 is a wasteful number, since it uses less digits than its factorization.

1355601378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225933568.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 1355601378 is about 36818.4923374111. The cubic root of 1355601378 is about 1106.7359072458.

The spelling of 1355601378 in words is "one billion, three hundred fifty-five million, six hundred one thousand, three hundred seventy-eight".