1367653945 has 48 divisors (see below), whose sum is σ = 2005706880. Its totient is φ = 890942976.

The previous prime is 1367653913. The next prime is 1367653979. The reversal of 1367653945 is 5493567631.

It is not a de Polignac number, because 1367653945 - 2⁵ = 1367653913 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 917761 + ... + 919249.

It is an arithmetic number, because the mean of its divisors is an integer number (41785560).

Almost surely, 2^1367653945 is an apocalyptic number.

It is an amenable number.

1367653945 is a deficient number, since it is larger than the sum of its proper divisors (638052935).

1367653945 is a wasteful number, since it uses less digits than its factorization.

1367653945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694 (or 1687 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 49.

The square root of 1367653945 is about 36981.8055941026. The cubic root of 1367653945 is about 1110.0062075242.

The spelling of 1367653945 in words is "one billion, three hundred sixty-seven million, six hundred fifty-three thousand, nine hundred forty-five".