1400131042 has 4 divisors (see below), whose sum is σ = 2100196566. Its totient is φ = 700065520.

The previous prime is 1400131037. The next prime is 1400131063. The reversal of 1400131042 is 2401310041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 770673121 + 629457921 = 27761^2 + 25089^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350032759 + ... + 350032762.

Almost surely, 2^1400131042 is an apocalyptic number.

1400131042 is a deficient number, since it is larger than the sum of its proper divisors (700065524).

1400131042 is an equidigital number, since it uses as much as digits as its factorization.

1400131042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700065523.

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

The square root of 1400131042 is about 37418.3249491476. The cubic root of 1400131042 is about 1118.7238446201.

Adding to 1400131042 its reverse (2401310041), we get a palindrome (3801441083).

The spelling of 1400131042 in words is "one billion, four hundred million, one hundred thirty-one thousand, forty-two".