1361262406 has 16 divisors (see below), whose sum is σ = 2435053824. Its totient is φ = 558032904.

The previous prime is 1361262379. The next prime is 1361262431. The reversal of 1361262406 is 6042621631.

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, 2113440 + ... + 2114083.

It is an arithmetic number, because the mean of its divisors is an integer number (152190864).

Almost surely, 2^1361262406 is an apocalyptic number.

1361262406 is a deficient number, since it is larger than the sum of its proper divisors (1073791418).

1361262406 is a wasteful number, since it uses less digits than its factorization.

1361262406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227555.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1361262406 is about 36895.2897535715. The cubic root of 1361262406 is about 1108.2743540527.

The spelling of 1361262406 in words is "one billion, three hundred sixty-one million, two hundred sixty-two thousand, four hundred six".