1400136854 has 4 divisors (see below), whose sum is σ = 2100205284. Its totient is φ = 700068426.

The previous prime is 1400136817. The next prime is 1400136883. The reversal of 1400136854 is 4586310041.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1400136854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350034212 + ... + 350034215.

It is an arithmetic number, because the mean of its divisors is an integer number (525051321).

Almost surely, 2^1400136854 is an apocalyptic number.

1400136854 is a deficient number, since it is larger than the sum of its proper divisors (700068430).

1400136854 is an equidigital number, since it uses as much as digits as its factorization.

1400136854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700068429.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1400136854 is about 37418.4026115493. The cubic root of 1400136854 is about 1118.7253925738.

Adding to 1400136854 its reverse (4586310041), we get a palindrome (5986446895).

The spelling of 1400136854 in words is "one billion, four hundred million, one hundred thirty-six thousand, eight hundred fifty-four".