1358423994 has 32 divisors (see below), whose sum is σ = 2792744640. Its totient is φ = 440180352.

The previous prime is 1358423993. The next prime is 1358424007. The reversal of 1358423994 is 4993248531.

It is not an unprimeable number, because it can be changed into a prime (1358423993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355297 + ... + 359099.

It is an arithmetic number, because the mean of its divisors is an integer number (87273270).

Almost surely, 2^1358423994 is an apocalyptic number.

1358423994 is an abundant number, since it is smaller than the sum of its proper divisors (1434320646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1358423994 is a wasteful number, since it uses less digits than its factorization.

1358423994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454.

The product of its digits is 933120, while the sum is 48.

The square root of 1358423994 is about 36856.8039037570. The cubic root of 1358423994 is about 1107.5035185460.

The spelling of 1358423994 in words is "one billion, three hundred fifty-eight million, four hundred twenty-three thousand, nine hundred ninety-four".