1390539753 has 24 divisors (see below), whose sum is σ = 2040554880. Its totient is φ = 912345120.

The previous prime is 1390539707. The next prime is 1390539767. The reversal of 1390539753 is 3579350931.

It is not a de Polignac number, because 1390539753 - 2¹⁰ = 1390538729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1390539699 and 1390539708.

It is not an unprimeable number, because it can be changed into a prime (1390539653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199003 + ... + 205871.

It is an arithmetic number, because the mean of its divisors is an integer number (85023120).

Almost surely, 2^1390539753 is an apocalyptic number.

It is an amenable number.

1390539753 is a deficient number, since it is larger than the sum of its proper divisors (650015127).

1390539753 is a wasteful number, since it uses less digits than its factorization.

1390539753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229 (or 7226 counting only the distinct ones).

The product of its (nonzero) digits is 382725, while the sum is 45.

The square root of 1390539753 is about 37289.9417135506. The cubic root of 1390539753 is about 1116.1634655724.

The spelling of 1390539753 in words is "one billion, three hundred ninety million, five hundred thirty-nine thousand, seven hundred fifty-three".