70137190378 has 4 divisors (see below), whose sum is σ = 105205785570. Its totient is φ = 35068595188.

The previous prime is 70137190373. The next prime is 70137190433. The reversal of 70137190378 is 87309173107.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65744549649 + 4392640729 = 256407^2 + 66277^2 .

It is not an unprimeable number, because it can be changed into a prime (70137190373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17534297593 + ... + 17534297596.

Almost surely, 2^70137190378 is an apocalyptic number.

70137190378 is a deficient number, since it is larger than the sum of its proper divisors (35068595192).

70137190378 is a wasteful number, since it uses less digits than its factorization.

70137190378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35068595191.

The product of its (nonzero) digits is 222264, while the sum is 46.

The spelling of 70137190378 in words is "seventy billion, one hundred thirty-seven million, one hundred ninety thousand, three hundred seventy-eight".