64138202 has 8 divisors (see below), whose sum is σ = 96242016. Its totient is φ = 32057532.

The previous prime is 64138189. The next prime is 64138211. The reversal of 64138202 is 20283146.

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

It is a super-2 number, since 2×64138202² = 8227417911585608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5723 + ... + 12689.

It is an arithmetic number, because the mean of its divisors is an integer number (12030252).

Almost surely, 2^64138202 is an apocalyptic number.

64138202 is a deficient number, since it is larger than the sum of its proper divisors (32103814).

64138202 is a wasteful number, since it uses less digits than its factorization.

64138202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11572.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 64138202 is about 8008.6329669926. The cubic root of 64138202 is about 400.2877138356.

The spelling of 64138202 in words is "sixty-four million, one hundred thirty-eight thousand, two hundred two".