140773537 has 2 divisors, whose sum is σ = 140773538. Its totient is φ = 140773536.

The previous prime is 140773519. The next prime is 140773553. The reversal of 140773537 is 735377041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103306896 + 37466641 = 10164^2 + 6121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140773537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140773496 and 140773505.

It is not a weakly prime, because it can be changed into another prime (140773597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70386768 + 70386769.

It is an arithmetic number, because the mean of its divisors is an integer number (70386769).

Almost surely, 2^140773537 is an apocalyptic number.

It is an amenable number.

140773537 is a deficient number, since it is larger than the sum of its proper divisors (1).

140773537 is an equidigital number, since it uses as much as digits as its factorization.

140773537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 140773537 is about 11864.8024425188. The cubic root of 140773537 is about 520.2039843202.

The spelling of 140773537 in words is "one hundred forty million, seven hundred seventy-three thousand, five hundred thirty-seven".