637614142 has 32 divisors (see below), whose sum is σ = 1091003904. Its totient is φ = 276645600.

The previous prime is 637614137. The next prime is 637614149. The reversal of 637614142 is 241416736.

It is a junction number, because it is equal to n+sod(n) for n = 637614098 and 637614107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (637614149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318288 + ... + 320284.

It is an arithmetic number, because the mean of its divisors is an integer number (34093872).

Almost surely, 2^637614142 is an apocalyptic number.

637614142 is a deficient number, since it is larger than the sum of its proper divisors (453389762).

637614142 is a wasteful number, since it uses less digits than its factorization.

637614142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664.

The product of its digits is 24192, while the sum is 34.

The square root of 637614142 is about 25251.0225931545. The cubic root of 637614142 is about 860.7016727084.

The spelling of 637614142 in words is "six hundred thirty-seven million, six hundred fourteen thousand, one hundred forty-two".