1614020138 has 32 divisors (see below), whose sum is σ = 2519797248. Its totient is φ = 774860800.

The previous prime is 1614020123. The next prime is 1614020203. The reversal of 1614020138 is 8310204161.

It is a super-2 number, since 2×1614020138² = 5210122011739078088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714748 + ... + 1715688.

It is an arithmetic number, because the mean of its divisors is an integer number (78743664).

Almost surely, 2^1614020138 is an apocalyptic number.

1614020138 is a deficient number, since it is larger than the sum of its proper divisors (905777110).

1614020138 is a wasteful number, since it uses less digits than its factorization.

1614020138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1614020138 is about 40174.8694832976. The cubic root of 1614020138 is about 1173.0134261690.

Adding to 1614020138 its reverse (8310204161), we get a palindrome (9924224299).

The spelling of 1614020138 in words is "one billion, six hundred fourteen million, twenty thousand, one hundred thirty-eight".