7139903043 has 144 divisors (see below), whose sum is σ = 12646711296. Its totient is φ = 3566384640.

The previous prime is 7139902993. The next prime is 7139903059. The reversal of 7139903043 is 3403099317.

It is not a de Polignac number, because 7139903043 - 2¹⁴ = 7139886659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 7139902992 and 7139903010.

It is not an unprimeable number, because it can be changed into a prime (7139903063) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 56219646 + ... + 56219772.

It is an arithmetic number, because the mean of its divisors is an integer number (87824384).

Almost surely, 2^7139903043 is an apocalyptic number.

7139903043 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

7139903043 is a deficient number, since it is larger than the sum of its proper divisors (5506808253).

7139903043 is a wasteful number, since it uses less digits than its factorization.

7139903043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 7139903043 is about 84497.9469750597. The cubic root of 7139903043 is about 1925.5912541933.

The spelling of 7139903043 in words is "seven billion, one hundred thirty-nine million, nine hundred three thousand, forty-three".