1390343741 has 8 divisors (see below), whose sum is σ = 1402212768. Its totient is φ = 1378494000.

The previous prime is 1390343729. The next prime is 1390343761. The reversal of 1390343741 is 1473430931.

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

It is a cyclic number.

It is not a de Polignac number, because 1390343741 - 2¹⁰ = 1390342717 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 (1390343711) 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, 165011 + ... + 173231.

It is an arithmetic number, because the mean of its divisors is an integer number (175276596).

Almost surely, 2^1390343741 is an apocalyptic number.

It is an amenable number.

1390343741 is a deficient number, since it is larger than the sum of its proper divisors (11869027).

1390343741 is a wasteful number, since it uses less digits than its factorization.

1390343741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9643.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 1390343741 is about 37287.3134055003. The cubic root of 1390343741 is about 1116.1110179015. Note that the first 3 decimals are identical.

The spelling of 1390343741 in words is "one billion, three hundred ninety million, three hundred forty-three thousand, seven hundred forty-one".