1400310142 has 24 divisors (see below), whose sum is σ = 2665527480. Its totient is φ = 545574960.

The previous prime is 1400310137. The next prime is 1400310143. The reversal of 1400310142 is 2410130041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400310143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 648417 + ... + 650572.

It is an arithmetic number, because the mean of its divisors is an integer number (111063645).

Almost surely, 2^1400310142 is an apocalyptic number.

1400310142 is a deficient number, since it is larger than the sum of its proper divisors (1265217338).

1400310142 is a wasteful number, since it uses less digits than its factorization.

1400310142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299016 (or 1299009 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1400310142 is about 37420.7180850395. The cubic root of 1400310142 is about 1118.7715437026.

Adding to 1400310142 its reverse (2410130041), we get a palindrome (3810440183).

The spelling of 1400310142 in words is "one billion, four hundred million, three hundred ten thousand, one hundred forty-two".