1400139324 has 48 divisors (see below), whose sum is σ = 3648288000. Its totient is φ = 464360688.

The previous prime is 1400139289. The next prime is 1400139331. The reversal of 1400139324 is 4239310041.

It is a super-2 number, since 2×1400139324² = 3920780253222353952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11082 + ... + 54065.

It is an arithmetic number, because the mean of its divisors is an integer number (76006000).

Almost surely, 2^1400139324 is an apocalyptic number.

It is an amenable number.

1400139324 is an abundant number, since it is smaller than the sum of its proper divisors (2248148676).

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

1400139324 is a wasteful number, since it uses less digits than its factorization.

1400139324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65359 (or 65351 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1400139324 is about 37418.4356166850. The cubic root of 1400139324 is about 1118.7260504262.

Adding to 1400139324 its reverse (4239310041), we get a palindrome (5639449365).

The spelling of 1400139324 in words is "one billion, four hundred million, one hundred thirty-nine thousand, three hundred twenty-four".