1365550141 has 16 divisors (see below), whose sum is σ = 1430146368. Its totient is φ = 1302620800.

The previous prime is 1365550091. The next prime is 1365550169. The reversal of 1365550141 is 1410555631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1365550141 - 2⁷ = 1365550013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365550541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753126 + ... + 754936.

It is an arithmetic number, because the mean of its divisors is an integer number (89384148).

Almost surely, 2^1365550141 is an apocalyptic number.

It is an amenable number.

1365550141 is a deficient number, since it is larger than the sum of its proper divisors (64596227).

1365550141 is a wasteful number, since it uses less digits than its factorization.

1365550141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 1365550141 is about 36953.3508764767. The cubic root of 1365550141 is about 1109.4367569625.

The spelling of 1365550141 in words is "one billion, three hundred sixty-five million, five hundred fifty thousand, one hundred forty-one".