1390372957547 has 8 divisors (see below), whose sum is σ = 1589006496000. Its totient is φ = 1191741626664.

The previous prime is 1390372957543. The next prime is 1390372957573. The reversal of 1390372957547 is 7457592730931.

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 1390372957547 - 2² = 1390372957543 is a prime.

It is a super-2 number, since 2×1390372957547² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1390372957547.

It is not an unprimeable number, because it can be changed into a prime (1390372957543) 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, 1145954 + ... + 2023352.

It is an arithmetic number, because the mean of its divisors is an integer number (198625812000).

Almost surely, 2^{1390372957547} is an apocalyptic number.

1390372957547 is a deficient number, since it is larger than the sum of its proper divisors (198633538453).

1390372957547 is an equidigital number, since it uses as much as digits as its factorization.

1390372957547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103785.

The product of its (nonzero) digits is 50009400, while the sum is 62.

The spelling of 1390372957547 in words is "one trillion, three hundred ninety billion, three hundred seventy-two million, nine hundred fifty-seven thousand, five hundred forty-seven".