152138626 has 8 divisors (see below), whose sum is σ = 228579660. Its totient is φ = 75945408.

The previous prime is 152138579. The next prime is 152138633. The reversal of 152138626 is 626831251.

It can be written as a sum of positive squares in 2 ways, for example, as 116748025 + 35390601 = 10805^2 + 5949^2 .

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 = 152138591 and 152138600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60411 + ... + 62878.

Almost surely, 2^152138626 is an apocalyptic number.

152138626 is a deficient number, since it is larger than the sum of its proper divisors (76441034).

152138626 is a wasteful number, since it uses less digits than its factorization.

152138626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123908.

The product of its digits is 17280, while the sum is 34.

The square root of 152138626 is about 12334.4487513630. The cubic root of 152138626 is about 533.8425216083.

Adding to 152138626 its reverse (626831251), we get a palindrome (778969877).

The spelling of 152138626 in words is "one hundred fifty-two million, one hundred thirty-eight thousand, six hundred twenty-six".