1361641374 has 16 divisors (see below), whose sum is σ = 3025869840. Its totient is φ = 453880440.

The previous prime is 1361641339. The next prime is 1361641387. The reversal of 1361641374 is 4731461631.

1361641374 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 641 + 3 + 7 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12607737 + ... + 12607844.

It is an arithmetic number, because the mean of its divisors is an integer number (189116865).

Almost surely, 2^1361641374 is an apocalyptic number.

1361641374 is an abundant number, since it is smaller than the sum of its proper divisors (1664228466).

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

1361641374 is a wasteful number, since it uses less digits than its factorization.

1361641374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25215592 (or 25215586 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 1361641374 is about 36900.4251195023. The cubic root of 1361641374 is about 1108.3771903475.

The spelling of 1361641374 in words is "one billion, three hundred sixty-one million, six hundred forty-one thousand, three hundred seventy-four".