1390930743 has 8 divisors (see below), whose sum is σ = 1855541488. Its totient is φ = 926803584.

The previous prime is 1390930721. The next prime is 1390930753. The reversal of 1390930743 is 3470390931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1390930743 - 2¹⁴ = 1390914359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390930703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114130 + ... + 125727.

It is an arithmetic number, because the mean of its divisors is an integer number (231942686).

Almost surely, 2^1390930743 is an apocalyptic number.

1390930743 is a deficient number, since it is larger than the sum of its proper divisors (464610745).

1390930743 is a wasteful number, since it uses less digits than its factorization.

1390930743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241793.

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

The square root of 1390930743 is about 37295.1839115991. The cubic root of 1390930743 is about 1116.2680695235.

The spelling of 1390930743 in words is "one billion, three hundred ninety million, nine hundred thirty thousand, seven hundred forty-three".