1400139272 has 16 divisors (see below), whose sum is σ = 3000298560. Its totient is φ = 600059664.

The previous prime is 1400139263. The next prime is 1400139287. The reversal of 1400139272 is 2729310041.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12501188 + ... + 12501299.

It is an arithmetic number, because the mean of its divisors is an integer number (187518660).

Almost surely, 2^1400139272 is an apocalyptic number.

It is an amenable number.

1400139272 is an abundant number, since it is smaller than the sum of its proper divisors (1600159288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400139272 is a wasteful number, since it uses less digits than its factorization.

1400139272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25002500 (or 25002496 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1400139272 is about 37418.4349218403. The cubic root of 1400139272 is about 1118.7260365767.

The spelling of 1400139272 in words is "one billion, four hundred million, one hundred thirty-nine thousand, two hundred seventy-two".