1361046249 has 12 divisors (see below), whose sum is σ = 1967627376. Its totient is φ = 906592632.

The previous prime is 1361046233. The next prime is 1361046263. The reversal of 1361046249 is 9426401631.

1361046249 is a `hidden beast` number, since 13 + 6 + 10 + 4 + 624 + 9 = 666.

It is not a de Polignac number, because 1361046249 - 2⁴ = 1361046233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1361046649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53019 + ... + 74384.

It is an arithmetic number, because the mean of its divisors is an integer number (163968948).

Almost surely, 2^1361046249 is an apocalyptic number.

It is an amenable number.

1361046249 is a deficient number, since it is larger than the sum of its proper divisors (606581127).

1361046249 is a wasteful number, since it uses less digits than its factorization.

1361046249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128596 (or 128593 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1361046249 is about 36892.3603067085. The cubic root of 1361046249 is about 1108.2156894045.

The spelling of 1361046249 in words is "one billion, three hundred sixty-one million, forty-six thousand, two hundred forty-nine".