1438252059 has 16 divisors (see below), whose sum is σ = 1945460000. Its totient is φ = 944960256.

The previous prime is 1438252051. The next prime is 1438252061. The reversal of 1438252059 is 9502528341.

It is not a de Polignac number, because 1438252059 - 2³ = 1438252051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1438252051) 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 15 ways as a sum of consecutive naturals, for example, 521817 + ... + 524565.

It is an arithmetic number, because the mean of its divisors is an integer number (121591250).

Almost surely, 2^1438252059 is an apocalyptic number.

1438252059 is a deficient number, since it is larger than the sum of its proper divisors (507207941).

1438252059 is a wasteful number, since it uses less digits than its factorization.

1438252059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5214.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 1438252059 is about 37924.2937838004. The cubic root of 1438252059 is about 1128.7861398102.

The spelling of 1438252059 in words is "one billion, four hundred thirty-eight million, two hundred fifty-two thousand, fifty-nine".