1154340369 has 64 divisors (see below), whose sum is σ = 2140723200. Its totient is φ = 598487616.

The previous prime is 1154340359. The next prime is 1154340377. The reversal of 1154340369 is 9630434511.

1154340369 is a `hidden beast` number, since 11 + 543 + 40 + 3 + 69 = 666.

It is not a de Polignac number, because 1154340369 - 2¹⁷ = 1154209297 is a prime.

It is a super-2 number, since 2×1154340369² = 2665003375006112322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1154340359) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140982 + ... + 148944.

It is an arithmetic number, because the mean of its divisors is an integer number (33448800).

Almost surely, 2^1154340369 is an apocalyptic number.

It is an amenable number.

1154340369 is a deficient number, since it is larger than the sum of its proper divisors (986382831).

1154340369 is a wasteful number, since it uses less digits than its factorization.

1154340369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8051 (or 8045 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1154340369 is about 33975.5848956276. The cubic root of 1154340369 is about 1049.0059735459.

The spelling of 1154340369 in words is "one billion, one hundred fifty-four million, three hundred forty thousand, three hundred sixty-nine".