1400120434 has 8 divisors (see below), whose sum is σ = 2134610028. Its totient is φ = 688583760.

The previous prime is 1400120417. The next prime is 1400120437. The reversal of 1400120434 is 4340210041.

It can be written as a sum of positive squares in 2 ways, for example, as 1281854809 + 118265625 = 35803^2 + 10875^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1400120437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5738077 + ... + 5738320.

Almost surely, 2^1400120434 is an apocalyptic number.

1400120434 is a deficient number, since it is larger than the sum of its proper divisors (734489594).

1400120434 is a wasteful number, since it uses less digits than its factorization.

1400120434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11476460.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1400120434 is about 37418.1832001502. The cubic root of 1400120434 is about 1118.7210193007.

Adding to 1400120434 its reverse (4340210041), we get a palindrome (5740330475).

The spelling of 1400120434 in words is "one billion, four hundred million, one hundred twenty thousand, four hundred thirty-four".