1390011734 has 8 divisors (see below), whose sum is σ = 2086621680. Its totient is φ = 694471176.

The previous prime is 1390011713. The next prime is 1390011737. The reversal of 1390011734 is 4371100931.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1390011697 and 1390011706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390011737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264089 + ... + 269300.

It is an arithmetic number, because the mean of its divisors is an integer number (260827710).

Almost surely, 2^1390011734 is an apocalyptic number.

1390011734 is a deficient number, since it is larger than the sum of its proper divisors (696609946).

1390011734 is a wasteful number, since it uses less digits than its factorization.

1390011734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534694.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1390011734 is about 37282.8611294788. The cubic root of 1390011734 is about 1116.0221702879.

The spelling of 1390011734 in words is "one billion, three hundred ninety million, eleven thousand, seven hundred thirty-four".