1400534516 has 6 divisors (see below), whose sum is σ = 2450935410. Its totient is φ = 700267256.

The previous prime is 1400534501. The next prime is 1400534519. The reversal of 1400534516 is 6154350041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1059762916 + 340771600 = 32554^2 + 18460^2 .

It is a super-2 number, since 2×1400534516² = 3922993861014708512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400534519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175066811 + ... + 175066818.

It is an arithmetic number, because the mean of its divisors is an integer number (408489235).

Almost surely, 2^1400534516 is an apocalyptic number.

It is an amenable number.

1400534516 is a deficient number, since it is larger than the sum of its proper divisors (1050400894).

1400534516 is a wasteful number, since it uses less digits than its factorization.

1400534516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350133633 (or 350133631 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1400534516 is about 37423.7159565963. The cubic root of 1400534516 is about 1118.8312947136.

Adding to 1400534516 its reverse (6154350041), we get a palindrome (7554884557).

The spelling of 1400534516 in words is "one billion, four hundred million, five hundred thirty-four thousand, five hundred sixteen".