140202004 has 6 divisors (see below), whose sum is σ = 245353514. Its totient is φ = 70101000.

The previous prime is 140201983. The next prime is 140202017. The reversal of 140202004 is 400202041.

It can be written as a sum of positive squares in only one way, i.e., 139476100 + 725904 = 11810^2 + 852^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17525247 + ... + 17525254.

Almost surely, 2^140202004 is an apocalyptic number.

It is an amenable number.

140202004 is a deficient number, since it is larger than the sum of its proper divisors (105151510).

140202004 is a wasteful number, since it uses less digits than its factorization.

140202004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35050505 (or 35050503 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 140202004 is about 11840.6927162223. The cubic root of 140202004 is about 519.4990293516.

Adding to 140202004 its reverse (400202041), we get a palindrome (540404045).

The spelling of 140202004 in words is "one hundred forty million, two hundred two thousand, four".