140514512146 has 16 divisors (see below), whose sum is σ = 225470835576. Its totient is φ = 65442779136.

The previous prime is 140514512123. The next prime is 140514512147. The reversal of 140514512146 is 641215415041.

It can be written as a sum of positive squares in 4 ways, for example, as 92879267121 + 47635245025 = 304761^2 + 218255^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (140514512147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21299691 + ... + 21306286.

Almost surely, 2^140514512146 is an apocalyptic number.

140514512146 is a deficient number, since it is larger than the sum of its proper divisors (84956323430).

140514512146 is a wasteful number, since it uses less digits than its factorization.

140514512146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42606093.

The product of its (nonzero) digits is 19200, while the sum is 34.

Adding to 140514512146 its reverse (641215415041), we get a palindrome (781729927187).

The spelling of 140514512146 in words is "one hundred forty billion, five hundred fourteen million, five hundred twelve thousand, one hundred forty-six".