140274626 has 4 divisors (see below), whose sum is σ = 210411942. Its totient is φ = 70137312.

The previous prime is 140274611. The next prime is 140274727. The reversal of 140274626 is 626472041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 626472041 = 13 ⋅48190157.

It can be written as a sum of positive squares in only one way, i.e., 106110601 + 34164025 = 10301^2 + 5845^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140274592 and 140274601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35068655 + ... + 35068658.

Almost surely, 2^140274626 is an apocalyptic number.

140274626 is a deficient number, since it is larger than the sum of its proper divisors (70137316).

140274626 is an equidigital number, since it uses as much as digits as its factorization.

140274626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70137315.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 140274626 is about 11843.7589472262. The cubic root of 140274626 is about 519.5887107764.

The spelling of 140274626 in words is "one hundred forty million, two hundred seventy-four thousand, six hundred twenty-six".