140376665 has 16 divisors (see below), whose sum is σ = 197902656. Its totient is φ = 94238400.

The previous prime is 140376653. The next prime is 140376679. The reversal of 140376665 is 566673041.

It is a happy number.

It is not a de Polignac number, because 140376665 - 2¹² = 140372569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97451 + ... + 98880.

It is an arithmetic number, because the mean of its divisors is an integer number (12368916).

Almost surely, 2^140376665 is an apocalyptic number.

It is an amenable number.

140376665 is a deficient number, since it is larger than the sum of its proper divisors (57525991).

140376665 is a wasteful number, since it uses less digits than its factorization.

140376665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196360.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 140376665 is about 11848.0658759141. The cubic root of 140376665 is about 519.7146671796.

It can be divided in two parts, 14037 and 6665, that added together give a palindrome (20702).

The spelling of 140376665 in words is "one hundred forty million, three hundred seventy-six thousand, six hundred sixty-five".