140377690 has 16 divisors (see below), whose sum is σ = 261393480. Its totient is φ = 54214720.

The previous prime is 140377631. The next prime is 140377709. The reversal of 140377690 is 96773041.

It can be written as a sum of positive squares in 4 ways, for example, as 84621601 + 55756089 = 9199^2 + 7467^2 .

It is a super-2 number, since 2×140377690² = 39411791699472200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241741 + ... + 242320.

Almost surely, 2^140377690 is an apocalyptic number.

140377690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140377690 is a deficient number, since it is larger than the sum of its proper divisors (121015790).

140377690 is a wasteful number, since it uses less digits than its factorization.

140377690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484097.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 140377690 is about 11848.1091318404. The cubic root of 140377690 is about 519.7159321245.

The spelling of 140377690 in words is "one hundred forty million, three hundred seventy-seven thousand, six hundred ninety".