140315464 has 8 divisors (see below), whose sum is σ = 263091510. Its totient is φ = 70157728.

The previous prime is 140315459. The next prime is 140315471. The reversal of 140315464 is 464513041.

It can be written as a sum of positive squares in only one way, i.e., 73239364 + 67076100 = 8558^2 + 8190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×140315464³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8769709 + ... + 8769724.

Almost surely, 2^140315464 is an apocalyptic number.

It is an amenable number.

140315464 is a deficient number, since it is larger than the sum of its proper divisors (122776046).

140315464 is a wasteful number, since it uses less digits than its factorization.

140315464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17539439 (or 17539435 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 140315464 is about 11845.4828521255. The cubic root of 140315464 is about 519.6391283170.

The spelling of 140315464 in words is "one hundred forty million, three hundred fifteen thousand, four hundred sixty-four".