1372140242 has 24 divisors (see below), whose sum is σ = 2282396508. Its totient is φ = 618168320.

The previous prime is 1372140229. The next prime is 1372140257. The reversal of 1372140242 is 2420412731.

It can be written as a sum of positive squares in 2 ways, for example, as 1366854841 + 5285401 = 36971^2 + 2299^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2258 + ... + 52434.

Almost surely, 2^1372140242 is an apocalyptic number.

1372140242 is a deficient number, since it is larger than the sum of its proper divisors (910256266).

1372140242 is a wasteful number, since it uses less digits than its factorization.

1372140242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50314 (or 50303 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 1372140242 is about 37042.4113955882. The cubic root of 1372140242 is about 1111.2185956828.

Adding to 1372140242 its reverse (2420412731), we get a palindrome (3792552973).

The spelling of 1372140242 in words is "one billion, three hundred seventy-two million, one hundred forty thousand, two hundred forty-two".