1465450138 has 8 divisors (see below), whose sum is σ = 2199143232. Its totient is φ = 732402396.

The previous prime is 1465450123. The next prime is 1465450139. The reversal of 1465450138 is 8310545641.

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 = 1465450097 and 1465450106.

It is not an unprimeable number, because it can be changed into a prime (1465450139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155620 + ... + 164767.

It is an arithmetic number, because the mean of its divisors is an integer number (274892904).

Almost surely, 2^1465450138 is an apocalyptic number.

1465450138 is a deficient number, since it is larger than the sum of its proper divisors (733693094).

1465450138 is a wasteful number, since it uses less digits than its factorization.

1465450138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322676.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 1465450138 is about 38281.1982309854. The cubic root of 1465450138 is about 1135.8570607404.

Adding to 1465450138 its reverse (8310545641), we get a palindrome (9775995779).

The spelling of 1465450138 in words is "one billion, four hundred sixty-five million, four hundred fifty thousand, one hundred thirty-eight".