1390062629 has 6 divisors (see below), whose sum is σ = 1467074790. Its totient is φ = 1316901096.

The previous prime is 1390062587. The next prime is 1390062631. The reversal of 1390062629 is 9262600931.

It can be written as a sum of positive squares in only one way, i.e., 1064260129 + 325802500 = 32623^2 + 18050^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1390062629 is a prime.

It is a super-5 number, since 5×1390062629⁵ (a number of 47 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1390062592 and 1390062601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390062659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1924934 + ... + 1925655.

It is an arithmetic number, because the mean of its divisors is an integer number (244512465).

Almost surely, 2^1390062629 is an apocalyptic number.

1390062629 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1390062629 is a deficient number, since it is larger than the sum of its proper divisors (77012161).

1390062629 is an equidigital number, since it uses as much as digits as its factorization.

1390062629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850627 (or 3850608 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 1390062629 is about 37283.5436754609. The cubic root of 1390062629 is about 1116.0357910974.

The spelling of 1390062629 in words is "one billion, three hundred ninety million, sixty-two thousand, six hundred twenty-nine".