1361611402 has 8 divisors (see below), whose sum is σ = 2149912800. Its totient is φ = 644973804.

The previous prime is 1361611399. The next prime is 1361611409. The reversal of 1361611402 is 2041161631.

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

It is a super-2 number, since 2×1361611402² = 3707971220112811208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1361611409) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 17915902 + ... + 17915977.

It is an arithmetic number, because the mean of its divisors is an integer number (268739100).

Almost surely, 2^1361611402 is an apocalyptic number.

1361611402 is a deficient number, since it is larger than the sum of its proper divisors (788301398).

1361611402 is a wasteful number, since it uses less digits than its factorization.

1361611402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35831900.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1361611402 is about 36900.0189972851. The cubic root of 1361611402 is about 1108.3690578770.

The spelling of 1361611402 in words is "one billion, three hundred sixty-one million, six hundred eleven thousand, four hundred two".