1361601755 has 16 divisors (see below), whose sum is σ = 1652742144. Its totient is φ = 1076807520.

The previous prime is 1361601743. The next prime is 1361601781. The reversal of 1361601755 is 5571061631.

It is not a de Polignac number, because 1361601755 - 2⁶ = 1361601691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151292 + ... + 160038.

It is an arithmetic number, because the mean of its divisors is an integer number (103296384).

Almost surely, 2^1361601755 is an apocalyptic number.

1361601755 is a deficient number, since it is larger than the sum of its proper divisors (291140389).

1361601755 is a wasteful number, since it uses less digits than its factorization.

1361601755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 1361601755 is about 36899.8882789637. Note that the first 3 decimals coincide. The cubic root of 1361601755 is about 1108.3664402771.

The spelling of 1361601755 in words is "one billion, three hundred sixty-one million, six hundred one thousand, seven hundred fifty-five".