64141538 has 4 divisors (see below), whose sum is σ = 96212310. Its totient is φ = 32070768.

The previous prime is 64141537. The next prime is 64141543. The reversal of 64141538 is 83514146.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56595529 + 7546009 = 7523^2 + 2747^2 .

It is a super-2 number, since 2×64141538² = 8228273794010888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64141537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16035383 + ... + 16035386.

Almost surely, 2^64141538 is an apocalyptic number.

64141538 is a deficient number, since it is larger than the sum of its proper divisors (32070772).

64141538 is a wasteful number, since it uses less digits than its factorization.

64141538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32070771.

The product of its digits is 11520, while the sum is 32.

The square root of 64141538 is about 8008.8412395302. The cubic root of 64141538 is about 400.2946537280.

The spelling of 64141538 in words is "sixty-four million, one hundred forty-one thousand, five hundred thirty-eight".