140370551 has 2 divisors, whose sum is σ = 140370552. Its totient is φ = 140370550.

The previous prime is 140370539. The next prime is 140370557. The reversal of 140370551 is 155073041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140370551 - 2⁶ = 140370487 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140370551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140370557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70185275 + 70185276.

It is an arithmetic number, because the mean of its divisors is an integer number (70185276).

Almost surely, 2^140370551 is an apocalyptic number.

140370551 is a deficient number, since it is larger than the sum of its proper divisors (1).

140370551 is an equidigital number, since it uses as much as digits as its factorization.

140370551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 140370551 is about 11847.8078563083. The cubic root of 140370551 is about 519.7071218097.

The spelling of 140370551 in words is "one hundred forty million, three hundred seventy thousand, five hundred fifty-one".