1654136043 has 16 divisors (see below), whose sum is σ = 2521387776. Its totient is φ = 944920800.

The previous prime is 1654135937. The next prime is 1654136087. The reversal of 1654136043 is 3406314561.

It is not a de Polignac number, because 1654136043 - 2¹⁴ = 1654119659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1654135995 and 1654136013.

It is not an unprimeable number, because it can be changed into a prime (1654136243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67080 + ... + 88362.

It is an arithmetic number, because the mean of its divisors is an integer number (157586736).

Almost surely, 2^1654136043 is an apocalyptic number.

1654136043 is a deficient number, since it is larger than the sum of its proper divisors (867251733).

1654136043 is a wasteful number, since it uses less digits than its factorization.

1654136043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24994.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1654136043 is about 40671.0713284025. The cubic root of 1654136043 is about 1182.6522842613.

The spelling of 1654136043 in words is "one billion, six hundred fifty-four million, one hundred thirty-six thousand, forty-three".