1361654146 has 4 divisors (see below), whose sum is σ = 2042481222. Its totient is φ = 680827072.

The previous prime is 1361654029. The next prime is 1361654201. The reversal of 1361654146 is 6414561631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6414561631 = 10639 ⋅602929.

It can be written as a sum of positive squares in only one way, i.e., 986650921 + 375003225 = 31411^2 + 19365^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340413535 + ... + 340413538.

Almost surely, 2^1361654146 is an apocalyptic number.

1361654146 is a deficient number, since it is larger than the sum of its proper divisors (680827076).

1361654146 is an equidigital number, since it uses as much as digits as its factorization.

1361654146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680827075.

The product of its digits is 51840, while the sum is 37.

The square root of 1361654146 is about 36900.5981794334. The cubic root of 1361654146 is about 1108.3806558095.

The spelling of 1361654146 in words is "one billion, three hundred sixty-one million, six hundred fifty-four thousand, one hundred forty-six".