1361375061 has 32 divisors (see below), whose sum is σ = 1952035200. Its totient is φ = 841420800.

The previous prime is 1361375039. The next prime is 1361375063. The reversal of 1361375061 is 1605731631.

It is a happy number.

It is not a de Polignac number, because 1361375061 - 2⁶ = 1361374997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361375063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511045 + ... + 513701.

It is an arithmetic number, because the mean of its divisors is an integer number (61001100).

Almost surely, 2^1361375061 is an apocalyptic number.

It is an amenable number.

1361375061 is a deficient number, since it is larger than the sum of its proper divisors (590660139).

1361375061 is a wasteful number, since it uses less digits than its factorization.

1361375061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 1361375061 is about 36896.8164073813. The cubic root of 1361375061 is about 1108.3049259696.

The spelling of 1361375061 in words is "one billion, three hundred sixty-one million, three hundred seventy-five thousand, sixty-one".