754138943 has 2 divisors, whose sum is σ = 754138944. Its totient is φ = 754138942.

The previous prime is 754138901. The next prime is 754138949. The reversal of 754138943 is 349831457.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 754138943 - 2²⁰ = 753090367 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 754138894 and 754138903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (754138949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377069471 + 377069472.

It is an arithmetic number, because the mean of its divisors is an integer number (377069472).

Almost surely, 2^754138943 is an apocalyptic number.

754138943 is a deficient number, since it is larger than the sum of its proper divisors (1).

754138943 is an equidigital number, since it uses as much as digits as its factorization.

754138943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 754138943 is about 27461.5903217567. The cubic root of 754138943 is about 910.2285554802.

The spelling of 754138943 in words is "seven hundred fifty-four million, one hundred thirty-eight thousand, nine hundred forty-three".