1354123634 has 8 divisors (see below), whose sum is σ = 2031342300. Its totient is φ = 677009536.

The previous prime is 1354123613. The next prime is 1354123637. The reversal of 1354123634 is 4363214531.

It can be written as a sum of positive squares in 2 ways, for example, as 1288594609 + 65529025 = 35897^2 + 8095^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1354123634.

It is not an unprimeable number, because it can be changed into a prime (1354123637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32942 + ... + 61590.

Almost surely, 2^1354123634 is an apocalyptic number.

1354123634 is a deficient number, since it is larger than the sum of its proper divisors (677218666).

1354123634 is a wasteful number, since it uses less digits than its factorization.

1354123634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52284.

The product of its digits is 25920, while the sum is 32.

The square root of 1354123634 is about 36798.4189062519. The cubic root of 1354123634 is about 1106.3336092914. Note that the first 3 decimals are identical.

The spelling of 1354123634 in words is "one billion, three hundred fifty-four million, one hundred twenty-three thousand, six hundred thirty-four".