1613616142 has 4 divisors (see below), whose sum is σ = 2420424216. Its totient is φ = 806808070.

The previous prime is 1613616127. The next prime is 1613616143. The reversal of 1613616142 is 2416163161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2416163161 = 1321 ⋅1829041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613616143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403404034 + ... + 403404037.

It is an arithmetic number, because the mean of its divisors is an integer number (605106054).

Almost surely, 2^1613616142 is an apocalyptic number.

1613616142 is a deficient number, since it is larger than the sum of its proper divisors (806808074).

1613616142 is an equidigital number, since it uses as much as digits as its factorization.

1613616142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806808073.

The product of its digits is 5184, while the sum is 31.

The square root of 1613616142 is about 40169.8411995865. The cubic root of 1613616142 is about 1172.9155479444.

The spelling of 1613616142 in words is "one billion, six hundred thirteen million, six hundred sixteen thousand, one hundred forty-two".