140600690 has 8 divisors (see below), whose sum is σ = 253081260. Its totient is φ = 56240272.

The previous prime is 140600689. The next prime is 140600711. The reversal of 140600690 is 96006041.

It can be written as a sum of positive squares in 2 ways, for example, as 137428729 + 3171961 = 11723^2 + 1781^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×140600690² = 39537108056952200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7030025 + ... + 7030044.

Almost surely, 2^140600690 is an apocalyptic number.

140600690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140600690 is a deficient number, since it is larger than the sum of its proper divisors (112480570).

140600690 is a wasteful number, since it uses less digits than its factorization.

140600690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14060076.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 140600690 is about 11857.5161817305. The cubic root of 140600690 is about 519.9909885026.

The spelling of 140600690 in words is "one hundred forty million, six hundred thousand, six hundred ninety".