1361620407 has 8 divisors (see below), whose sum is σ = 2074850176. Its totient is φ = 778068792.

The previous prime is 1361620397. The next prime is 1361620411. The reversal of 1361620407 is 7040261631.

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

It is not a de Polignac number, because 1361620407 - 2⁴ = 1361620391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361620207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32419513 + ... + 32419554.

It is an arithmetic number, because the mean of its divisors is an integer number (259356272).

Almost surely, 2^1361620407 is an apocalyptic number.

1361620407 is a deficient number, since it is larger than the sum of its proper divisors (713229769).

1361620407 is an equidigital number, since it uses as much as digits as its factorization.

1361620407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64839077.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1361620407 is about 36900.1410159907. The cubic root of 1361620407 is about 1108.3715012666.

The spelling of 1361620407 in words is "one billion, three hundred sixty-one million, six hundred twenty thousand, four hundred seven".