1361457154 has 8 divisors (see below), whose sum is σ = 2070161100. Its totient is φ = 671403456.

The previous prime is 1361457137. The next prime is 1361457161. The reversal of 1361457154 is 4517541631.

It can be written as a sum of positive squares in 2 ways, for example, as 1319505625 + 41951529 = 36325^2 + 6477^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4662379 + ... + 4662670.

Almost surely, 2^1361457154 is an apocalyptic number.

1361457154 is a deficient number, since it is larger than the sum of its proper divisors (708703946).

1361457154 is an equidigital number, since it uses as much as digits as its factorization.

1361457154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9325124.

The product of its digits is 50400, while the sum is 37.

The square root of 1361457154 is about 36897.9288578641. The cubic root of 1361457154 is about 1108.3272030163.

Adding to 1361457154 its reverse (4517541631), we get a palindrome (5878998785).

The spelling of 1361457154 in words is "one billion, three hundred sixty-one million, four hundred fifty-seven thousand, one hundred fifty-four".