1400954042 has 4 divisors (see below), whose sum is σ = 2101431066. Its totient is φ = 700477020.

The previous prime is 1400954039. The next prime is 1400954053. The reversal of 1400954042 is 2404590041.

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., 1215149881 + 185804161 = 34859^2 + 13631^2 .

It is a super-2 number, since 2×1400954042² = 3925344455592275528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400953996 and 1400954014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350238509 + ... + 350238512.

Almost surely, 2^1400954042 is an apocalyptic number.

1400954042 is a deficient number, since it is larger than the sum of its proper divisors (700477024).

1400954042 is an equidigital number, since it uses as much as digits as its factorization.

1400954042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700477023.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1400954042 is about 37429.3206190014. The cubic root of 1400954042 is about 1118.9429977701.

The spelling of 1400954042 in words is "one billion, four hundred million, nine hundred fifty-four thousand, forty-two".