1401141556 has 6 divisors (see below), whose sum is σ = 2451997730. Its totient is φ = 700570776.

The previous prime is 1401141527. The next prime is 1401141557. The reversal of 1401141556 is 6551411041.

It can be written as a sum of positive squares in only one way, i.e., 1016589456 + 384552100 = 31884^2 + 19610^2 .

It is a super-2 number, since 2×1401141556² = 3926395319900202272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401141557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175142691 + ... + 175142698.

Almost surely, 2^1401141556 is an apocalyptic number.

It is an amenable number.

1401141556 is a deficient number, since it is larger than the sum of its proper divisors (1050856174).

1401141556 is a wasteful number, since it uses less digits than its factorization.

1401141556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350285393 (or 350285391 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 1401141556 is about 37431.8254430638. The cubic root of 1401141556 is about 1118.9929180650.

Adding to 1401141556 its reverse (6551411041), we get a palindrome (7952552597).

The spelling of 1401141556 in words is "one billion, four hundred one million, one hundred forty-one thousand, five hundred fifty-six".