1401739436 has 12 divisors (see below), whose sum is σ = 2454721920. Its totient is φ = 700390320.

The previous prime is 1401739433. The next prime is 1401739453. The reversal of 1401739436 is 6349371041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401739436.

It is not an unprimeable number, because it can be changed into a prime (1401739433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113231 + ... + 124998.

It is an arithmetic number, because the mean of its divisors is an integer number (204560160).

Almost surely, 2^1401739436 is an apocalyptic number.

It is an amenable number.

1401739436 is a deficient number, since it is larger than the sum of its proper divisors (1052982484).

1401739436 is a wasteful number, since it uses less digits than its factorization.

1401739436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239704 (or 239702 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 1401739436 is about 37439.8108435393. The cubic root of 1401739436 is about 1119.1520569581.

The spelling of 1401739436 in words is "one billion, four hundred one million, seven hundred thirty-nine thousand, four hundred thirty-six".